Segment disclosures

Company overview

Federal Signal Corporation

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

28 dimension combinations 724 retained observations 47 reported periods Partial retained history

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Industrialsignalingequipment · Safety And Security Systems

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:IndustrialsignalingequipmentMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3020900000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-3058000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3018800000 USD20260730Open filing evidence
2026-01-01 – 2026-06-3037100000 USD20260730Open filing evidence
2026-01-01 – 2026-03-3118300000 USD20260429Open filing evidence
2025-01-01 – 2025-12-3170300000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3018000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-3052100000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3017500000 USD20260730Open filing evidence
2025-01-01 – 2025-06-3034100000 USD20260730Open filing evidence
2025-01-01 – 2025-03-3116600000 USD20260429Open filing evidence
2024-01-01 – 2024-12-3169400000 USD20260225Open filing evidence
2024-07-01 – 2024-09-3017900000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-3052400000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3017600000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-3034500000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2023-01-01 – 2023-12-3171900000 USD20260225Open filing evidence
2023-04-01 – 2023-06-3018700000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-3037300000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-3118600000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2022-01-01 – 2022-12-3162100000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2022-07-01 – 2022-09-3016700000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3046000000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-01-01 – 2022-03-3114200000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-3153900000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-3012200000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3039900000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-3014300000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-06-3027700000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-03-3113400000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-3150800000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-3011600000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3038000000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-04-01 – 2020-06-3012100000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-3026400000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-3114300000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-3159300000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-3015100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3045100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-3016200000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-06-3030000000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-03-3113800000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-3153400000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-3013200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-3039900000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-3013500000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-3026700000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-3113200000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Other · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:OtherMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3019000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-3046600000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3015600000 USD20260730Open filing evidence
2026-01-01 – 2026-06-3027600000 USD20260730Open filing evidence
2026-01-01 – 2026-03-3112000000 USD20260429Open filing evidence
2025-01-01 – 2025-12-3164000000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3021000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-3049100000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3017400000 USD20260730Open filing evidence
2025-01-01 – 2025-06-3028100000 USD20260730Open filing evidence
2025-01-01 – 2025-03-3110700000 USD20260429Open filing evidence
2024-01-01 – 2024-12-3149400000 USD20260225Open filing evidence
2024-07-01 – 2024-09-3017400000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-3038800000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3012700000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-3021400000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-318700000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2023-01-01 – 2023-12-3144800000 USD20260225Open filing evidence
2023-07-01 – 2023-09-3014900000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2023-01-01 – 2023-09-3034100000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2023-04-01 – 2023-06-3011500000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-3019200000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-317700000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-07-01 – 2022-09-3011500000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-3027100000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2021-01-01 – 2021-12-3144700000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2021-07-01 – 2021-09-3014200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-01-01 – 2021-09-3035000000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-12-3130500000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2020-07-01 – 2020-09-3010300000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-3023100000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-308100000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-06-3012800000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-03-314700000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2019-01-01 – 2019-12-3125200000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-309200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-01-01 – 2019-09-3018900000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-04-01 – 2019-06-304600000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-309700000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-03-315100000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-3115900000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-304200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-3011700000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-304100000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-307500000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-313400000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Parts · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:PartsMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3086100000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-30252600000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3088600000 USD20260730Open filing evidence
2026-01-01 – 2026-06-30166500000 USD20260730Open filing evidence
2026-01-01 – 2026-03-3177900000 USD20260429Open filing evidence
2025-01-01 – 2025-12-31265800000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3070700000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-30199000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3068200000 USD20260730Open filing evidence
2025-01-01 – 2025-06-30128300000 USD20260730Open filing evidence
2025-01-01 – 2025-03-3160100000 USD20260429Open filing evidence
2024-01-01 – 2024-12-31232200000 USD20260225Open filing evidence
2024-07-01 – 2024-09-3056800000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30177900000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3060100000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-30121100000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-3161000000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2023-01-01 – 2023-12-31217000000 USD20260225Open filing evidence
2023-04-01 – 2023-06-3059600000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30114400000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-3154800000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-04-01 – 2022-06-3045100000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-3085900000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-3140800000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-31150300000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2021-07-01 – 2021-09-3037500000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-01-01 – 2021-09-30112700000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-04-01 – 2021-06-3039500000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-06-3075200000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-03-3135700000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-31129400000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2020-07-01 – 2020-09-3032400000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-3096700000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-3030900000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-3064300000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-3133400000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2019-01-01 – 2019-12-31132800000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-3034400000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-01-01 – 2019-09-30101000000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-04-01 – 2019-06-3035500000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-06-3066600000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-03-3131100000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-31118600000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-3030000000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-3092200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-3032400000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-3062200000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-3129800000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Publicsafetyandsecurityequipment · Safety And Security Systems

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:PublicsafetyandsecurityequipmentMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3057000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-30182800000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3060600000 USD20260730Open filing evidence
2026-01-01 – 2026-06-30125800000 USD20260730Open filing evidence
2026-01-01 – 2026-03-3165200000 USD20260429Open filing evidence
2025-01-01 – 2025-12-31222900000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3057200000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-30160700000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3052900000 USD20260730Open filing evidence
2025-01-01 – 2025-06-30103500000 USD20260730Open filing evidence
2025-01-01 – 2025-03-3150600000 USD20260429Open filing evidence
2024-01-01 – 2024-12-31192600000 USD20260225Open filing evidence
2024-07-01 – 2024-09-3048200000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30146200000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3053100000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-3098000000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-3144900000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2023-01-01 – 2023-12-31173200000 USD20260225Open filing evidence
2023-04-01 – 2023-06-3042400000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-3082600000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-3140200000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-01-01 – 2022-12-31149100000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2022-07-01 – 2022-09-3036300000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-01-01 – 2022-09-30109900000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-01-01 – 2022-03-3136100000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-31126100000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-3030200000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3093600000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-03-3131300000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2020-01-01 – 2020-12-31132600000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-3029500000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3097600000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-03-3131800000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-31133500000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2019-07-01 – 2019-09-3031600000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3098600000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-3034600000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-06-3067000000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-03-3132400000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-31134300000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-3029700000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-3097000000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-3036700000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-3067300000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-3130600000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Rentalincome · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:RentalincomeMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3023000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-3063600000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3023700000 USD20260730Open filing evidence
2026-01-01 – 2026-06-3040600000 USD20260730Open filing evidence
2026-01-01 – 2026-03-3116900000 USD20260429Open filing evidence
2025-01-01 – 2025-12-3172900000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3018500000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-3053900000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3020400000 USD20260730Open filing evidence
2025-01-01 – 2025-06-3035400000 USD20260730Open filing evidence
2025-01-01 – 2025-03-3115000000 USD20260429Open filing evidence
2024-01-01 – 2024-12-3161700000 USD20260225Open filing evidence
2024-07-01 – 2024-09-3015400000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-3044800000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3017400000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-3029400000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-3112000000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2023-01-01 – 2023-12-3155200000 USD20260225Open filing evidence
2023-07-01 – 2023-09-3013800000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2023-01-01 – 2023-09-3041700000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2023-04-01 – 2023-06-3016900000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-3027900000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-3111000000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-07-01 – 2022-09-3014400000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-3040200000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-03-319700000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-3144700000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2021-07-01 – 2021-09-3011900000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-01-01 – 2021-09-3032600000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-12-3136600000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2020-07-01 – 2020-09-309200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-3027300000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-03-318800000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2019-01-01 – 2019-12-3146200000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-3012100000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-01-01 – 2019-09-3035100000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-04-01 – 2019-06-3013400000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-06-3023000000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-03-319600000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-3141800000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-3011200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-3030600000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-3011600000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-3019400000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-317800000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Vehiclesandequipment · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:VehiclesandequipmentMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30435700000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-301311400000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-30449800000 USD20260730Open filing evidence
2026-01-01 – 2026-06-30875700000 USD20260730Open filing evidence
2026-01-01 – 2026-03-31425900000 USD20260429Open filing evidence
2025-01-01 – 2025-12-311434800000 USD20260225Open filing evidence
2025-07-01 – 2025-09-30355300000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-301031400000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-30374500000 USD20260730Open filing evidence
2025-01-01 – 2025-06-30676100000 USD20260730Open filing evidence
2025-01-01 – 2025-03-31301600000 USD20260429Open filing evidence
2024-01-01 – 2024-12-311213800000 USD20260225Open filing evidence
2024-07-01 – 2024-09-30308600000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30899500000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-30318600000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-30590900000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-31272300000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2023-01-01 – 2023-12-311120900000 USD20260225Open filing evidence
2023-04-01 – 2023-06-30285000000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30530300000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-31245300000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-04-01 – 2022-06-30235800000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-30453200000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-31217400000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-31764300000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2021-07-01 – 2021-09-30185500000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-01-01 – 2021-09-30578200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-04-01 – 2021-06-30213700000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-06-30392700000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-12-31719300000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2020-07-01 – 2020-09-30179100000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-30531100000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-30165900000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-30352000000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-31186100000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2019-01-01 – 2019-12-31788700000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-30198300000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-01-01 – 2019-09-30585700000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2019-04-01 – 2019-06-30213700000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-06-30387400000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-03-31173700000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-31687200000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-30170900000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-30511700000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-30185200000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-30340800000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-31155600000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Warningsystems · Safety And Security Systems

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=fss:WarningsystemsMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3013800000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-3036300000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3013100000 USD20260730Open filing evidence
2026-01-01 – 2026-06-3022500000 USD20260730Open filing evidence
2026-01-01 – 2026-03-319400000 USD20260429Open filing evidence
2025-01-01 – 2025-12-3149800000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3014300000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-3037200000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3013700000 USD20260730Open filing evidence
2025-01-01 – 2025-06-3022900000 USD20260730Open filing evidence
2025-01-01 – 2025-03-319200000 USD20260429Open filing evidence
2024-01-01 – 2024-12-3142400000 USD20260225Open filing evidence
2024-07-01 – 2024-09-309900000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-3029900000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3010900000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-3020000000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2023-01-01 – 2023-12-3139700000 USD20260225Open filing evidence
2023-04-01 – 2023-06-308300000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-3016200000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-317900000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2022-01-01 – 2022-12-3133000000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2022-01-01 – 2022-03-315700000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-3129200000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-04-01 – 2021-06-307000000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-06-3013000000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2021-01-01 – 2021-03-316000000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-3131600000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2020-07-01 – 2020-09-307700000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3022200000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-04-01 – 2020-06-307500000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-3014500000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-317000000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-3135600000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2019-07-01 – 2019-09-308100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3022500000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-306300000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-06-3014400000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2019-01-01 – 2019-03-318100000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-3138300000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2018-07-01 – 2018-09-3010200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-3027000000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-307500000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-3016800000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-319300000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence

Joe Johnson Equipment · Purchase Accounting Adjustments · Environmental Solutions

Business Acquisition · Nonrecurring Adjustment · Statement Business Segments

Source dimensions us-gaap:BusinessAcquisitionAxis=fss:JoeJohnsonEquipmentMember;us-gaap:NonrecurringAdjustmentAxis=fss:PurchaseAccountingAdjustmentsMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2016-06-03 – 2016-09-30-3000000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence

Joe Johnson Equipment · Acquisition Related Costs · Environmental Solutions

Business Acquisition · Nonrecurring Adjustment · Statement Business Segments

Source dimensions us-gaap:BusinessAcquisitionAxis=fss:JoeJohnsonEquipmentMember;us-gaap:NonrecurringAdjustmentAxis=us-gaap:AcquisitionRelatedCostsMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2016-06-03 – 2016-09-30-300000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence

Operating Segments · Environmental Solutions

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31127800000 USD2017-04-27 · 16:56:44.000ZOpen filing evidence
2016-07-01 – 2016-09-30134300000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2016-01-01 – 2016-09-30369100000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2016-04-01 – 2016-06-30119400000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence
2016-01-01 – 2016-06-30234800000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence
2016-01-01 – 2016-03-31115400000 USD2017-04-27 · 16:56:44.000ZOpen filing evidence
2015-07-01 – 2015-09-30123000000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2015-01-01 – 2015-09-30409800000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2015-04-01 – 2015-06-30146600000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence
2015-01-01 – 2015-06-30286800000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence

Operating Segments · Safety And Security Systems

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-3150000000 USD2017-04-27 · 16:56:44.000ZOpen filing evidence
2016-07-01 – 2016-09-3052400000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2016-01-01 – 2016-09-30162700000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2016-04-01 – 2016-06-3052900000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence
2016-01-01 – 2016-06-30110300000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence
2016-01-01 – 2016-03-3157400000 USD2017-04-27 · 16:56:44.000ZOpen filing evidence
2015-07-01 – 2015-09-3056700000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2015-01-01 – 2015-09-30171800000 USD2016-11-01 · 17:46:15.000ZOpen filing evidence
2015-04-01 – 2015-06-3058800000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence
2015-01-01 – 2015-06-30115100000 USD2016-07-28 · 16:48:15.000ZOpen filing evidence

Industrialsignalingequipment · Safety And Security Systems

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:IndustrialsignalingequipmentMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3013500000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-3026700000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-3113200000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Other · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:OtherMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-304100000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-307500000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-313400000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Parts · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:PartsMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3032400000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-3062200000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-3129800000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Publicsafetyandsecurityequipment · Safety And Security Systems

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:PublicsafetyandsecurityequipmentMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3036700000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-3067300000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-3130600000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Rentalincome · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:RentalincomeMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3011600000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-3019400000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-317800000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Vehiclesandequipment · Environmental Solutions

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:VehiclesandequipmentMember;us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30185200000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-30340800000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-31155600000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Warningsystems · Safety And Security Systems

Product Or Service · Statement Business Segments

Source dimensions us-gaap:ProductOrServiceAxis=fss:WarningsystemsMember;us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-307500000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-06-3016800000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2018-01-01 – 2018-03-319300000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence

Environmental Solutions

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-30563800000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-301674200000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-30577700000 USD20260730Open filing evidence
2026-01-01 – 2026-06-301110400000 USD20260730Open filing evidence
2026-01-01 – 2026-03-31532700000 USD20260429Open filing evidence
2025-01-01 – 2025-12-311837500000 USD20260225Open filing evidence
2025-07-01 – 2025-09-30465500000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-301333400000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-30480500000 USD20260730Open filing evidence
2025-01-01 – 2025-06-30867900000 USD20260730Open filing evidence
2025-01-01 – 2025-03-31387400000 USD20260429Open filing evidence
2024-01-01 – 2024-12-311557100000 USD20260225Open filing evidence
2024-07-01 – 2024-09-30398200000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-301161000000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-30408800000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-30762800000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-31354000000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-311437900000 USD20260225Open filing evidence
2023-07-01 – 2023-09-30373000000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-301064800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-30373000000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30691800000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-31318800000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-01-01 – 2022-12-311190600000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-30284800000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-30865300000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-30306300000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-30580500000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-31274200000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-311004000000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-30249100000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-30758500000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-30281300000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-30509400000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-31228100000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-31915800000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-30231000000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-30678200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-30214200000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-30447200000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-31233000000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-31992900000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-30254000000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-30740700000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-30267200000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-30486700000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-03-31219500000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-31863500000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2018-07-01 – 2018-09-30216300000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-30646200000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-30233300000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-30429900000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-31196600000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence
2017-01-01 – 2017-12-31692600000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2017-07-01 – 2017-09-30198500000 USD2018-11-06 · 16:06:32.000ZOpen filing evidence
2017-01-01 – 2017-09-30500600000 USD2018-11-06 · 16:06:32.000ZOpen filing evidence
2017-04-01 – 2017-06-30174300000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2017-01-01 – 2017-06-30302100000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2017-01-01 – 2017-03-31127800000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence
2016-01-01 – 2016-12-31490700000 USD2019-02-28 · 20:01:21.000ZOpen filing evidence
2016-07-01 – 2016-09-30134300000 USD2017-11-02 · 17:58:36.000ZOpen filing evidence
2016-01-01 – 2016-09-30369100000 USD2017-11-02 · 17:58:36.000ZOpen filing evidence
2016-04-01 – 2016-06-30119400000 USD2017-08-08 · 17:13:56.000ZOpen filing evidence
2016-01-01 – 2016-06-30234800000 USD2017-08-08 · 17:13:56.000ZOpen filing evidence
2016-01-01 – 2016-03-31115400000 USD2016-05-03 · 19:56:17.000ZOpen filing evidence
2015-01-01 – 2015-12-31534100000 USD2018-02-28 · 21:45:38.000ZOpen filing evidence
2015-07-01 – 2015-09-30123000000 USD2015-11-03 · 16:57:51.000ZOpen filing evidence
2015-01-01 – 2015-09-30409800000 USD2015-11-03 · 16:57:51.000ZOpen filing evidence
2015-04-01 – 2015-06-30146600000 USD2015-07-28 · 17:44:52.000ZOpen filing evidence
2015-01-01 – 2015-06-30286800000 USD2015-07-28 · 17:44:52.000ZOpen filing evidence
2015-01-01 – 2015-03-31140200000 USD2016-05-03 · 19:56:17.000ZOpen filing evidence

Environmental Solutions · Other

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember;srt:ProductOrServiceAxis=fss:OtherMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3110700000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-3149400000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-3017400000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-3038800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-318700000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-3144800000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-3014900000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-3034100000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-3011500000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-06-3019200000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-03-317700000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2022-01-01 – 2022-12-3135900000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-3011500000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3027100000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-04-01 – 2022-06-309300000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-3015600000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-316300000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-3144700000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-3014200000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3035000000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-3014900000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-3020800000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-315900000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-3130500000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-3010300000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3023100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-04-01 – 2020-06-308100000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-3012800000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-314700000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-3125200000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2019-07-01 – 2019-09-309200000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3018900000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence

Environmental Solutions · Parts

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember;srt:ProductOrServiceAxis=fss:PartsMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3160100000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-31232200000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-3056800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-30177900000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-3161000000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-31217000000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-3053800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-30168200000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2022-01-01 – 2022-12-31173700000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-3044100000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-30130000000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-3045100000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2022-01-01 – 2022-06-3085900000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-12-31150300000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-3037500000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-30112700000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-3039500000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-3075200000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-3135700000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2020-01-01 – 2020-12-31129400000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-3032400000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3096700000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-04-01 – 2020-06-3030900000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-06-3064300000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-03-3133400000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-31132800000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2019-07-01 – 2019-09-3034400000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-30101000000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-3035500000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-3066600000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence

Environmental Solutions · Rentalincome

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember;srt:ProductOrServiceAxis=fss:RentalincomeMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3115000000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-3161700000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-3015400000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-3044800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-3112000000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-3155200000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-3013800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-3041700000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-3016900000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-06-3027900000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-12-3153100000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-3014400000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-01-01 – 2022-09-3040200000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2022-04-01 – 2022-06-3016100000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-3025800000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-319700000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2021-01-01 – 2021-12-3144700000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-3011900000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3032600000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-3013200000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-3020700000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-317500000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-3136600000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-309200000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-3027300000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-04-01 – 2020-06-309300000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-3018100000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-318800000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-3146200000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2019-07-01 – 2019-09-3012100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-3035100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-3013400000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-3023000000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence

Environmental Solutions · Vehiclesandequipment

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:EnvironmentalSolutionsMember;srt:ProductOrServiceAxis=fss:VehiclesandequipmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-31301600000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-311213800000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-30308600000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-30899500000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-31272300000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-311120900000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-30290500000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-30820800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2022-01-01 – 2022-12-31927900000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-30214800000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-30668000000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-30235800000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2022-01-01 – 2022-06-30453200000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2022-01-01 – 2022-03-31217400000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2021-01-01 – 2021-12-31764300000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-30185500000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-30578200000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-30213700000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-30392700000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-31179000000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-31719300000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-30179100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-01-01 – 2020-09-30531100000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2020-04-01 – 2020-06-30165900000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-06-30352000000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-03-31186100000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-31788700000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2019-07-01 – 2019-09-30198300000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-30585700000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-30213700000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-30387400000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence

Fire Rescue

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:FireRescueMember
PeriodValueUnitFiledEvidence
2015-07-01 – 2015-09-3026100000 USD2015-11-03 · 16:57:51.000ZOpen filing evidence
2015-01-01 – 2015-09-3076600000 USD2015-11-03 · 16:57:51.000ZOpen filing evidence
2015-04-01 – 2015-06-3025400000 USD2015-07-28 · 17:44:52.000ZOpen filing evidence
2015-01-01 – 2015-06-3050500000 USD2015-07-28 · 17:44:52.000ZOpen filing evidence

Safety And Security Systems

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember
PeriodValueUnitFiledEvidence
2026-07-01 – 2026-09-3091700000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-01-01 – 2026-09-30277100000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2026-04-01 – 2026-06-3092500000 USD20260730Open filing evidence
2026-01-01 – 2026-06-30185400000 USD20260730Open filing evidence
2026-01-01 – 2026-03-3192900000 USD20260429Open filing evidence
2025-01-01 – 2025-12-31343000000 USD20260225Open filing evidence
2025-07-01 – 2025-09-3089500000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-01-01 – 2025-09-30250000000 USD2026-10-29 · 19:19:52.000ZOpen filing evidence
2025-04-01 – 2025-06-3084100000 USD20260730Open filing evidence
2025-01-01 – 2025-06-30160500000 USD20260730Open filing evidence
2025-01-01 – 2025-03-3176400000 USD20260429Open filing evidence
2024-01-01 – 2024-12-31304400000 USD20260225Open filing evidence
2024-07-01 – 2024-09-3076000000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-01-01 – 2024-09-30228500000 USD2025-10-30 · 20:39:00.000ZOpen filing evidence
2024-04-01 – 2024-06-3081600000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-06-30152500000 USD2025-07-30 · 18:09:18.000ZOpen filing evidence
2024-01-01 – 2024-03-3170900000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-31284800000 USD20260225Open filing evidence
2023-07-01 – 2023-09-3073400000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-30209500000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-3069400000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-06-30136100000 USD2024-07-25 · 20:17:36.000ZOpen filing evidence
2023-01-01 – 2023-03-3166700000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-01-01 – 2022-12-31244200000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-3061600000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-30178000000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-3060400000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-30116400000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-3156000000 USD2023-05-02 · 17:40:28.000ZOpen filing evidence
2021-01-01 – 2021-12-31209200000 USD2024-02-27 · 19:58:28.000ZOpen filing evidence
2021-07-01 – 2021-09-3049200000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-30153300000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-3053400000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-30104100000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-3150700000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-31215000000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-3048800000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-30157800000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-3055900000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-30109000000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-03-3153100000 USD2021-05-04 · 17:59:06.000ZOpen filing evidence
2019-01-01 – 2019-12-31228400000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-07-01 – 2019-09-3054800000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-01-01 – 2019-09-30166200000 USD2020-10-29 · 16:43:41.000ZOpen filing evidence
2019-04-01 – 2019-06-3057100000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-30111400000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-03-3154300000 USD2020-04-29 · 16:27:15.000ZOpen filing evidence
2018-01-01 – 2018-12-31226000000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2018-07-01 – 2018-09-3053100000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-01-01 – 2018-09-30163900000 USD2019-10-31 · 15:36:24.000ZOpen filing evidence
2018-04-01 – 2018-06-3057700000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-06-30110800000 USD2019-07-31 · 15:59:04.000ZOpen filing evidence
2018-01-01 – 2018-03-3153100000 USD2019-05-02 · 16:12:24.000ZOpen filing evidence
2017-01-01 – 2017-12-31205900000 USD2020-02-27 · 19:47:33.000ZOpen filing evidence
2017-07-01 – 2017-09-3050200000 USD2018-11-06 · 16:06:32.000ZOpen filing evidence
2017-01-01 – 2017-09-30150300000 USD2018-11-06 · 16:06:32.000ZOpen filing evidence
2017-04-01 – 2017-06-3050100000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2017-01-01 – 2017-06-30100100000 USD2018-08-07 · 15:29:22.000ZOpen filing evidence
2017-01-01 – 2017-03-3150000000 USD2018-05-08 · 15:49:33.000ZOpen filing evidence
2016-01-01 – 2016-12-31217200000 USD2019-02-28 · 20:01:21.000ZOpen filing evidence
2016-07-01 – 2016-09-3052400000 USD2017-11-02 · 17:58:36.000ZOpen filing evidence
2016-01-01 – 2016-09-30162700000 USD2017-11-02 · 17:58:36.000ZOpen filing evidence
2016-04-01 – 2016-06-3052900000 USD2017-08-08 · 17:13:56.000ZOpen filing evidence
2016-01-01 – 2016-06-30110300000 USD2017-08-08 · 17:13:56.000ZOpen filing evidence
2016-01-01 – 2016-03-3157400000 USD2016-05-03 · 19:56:17.000ZOpen filing evidence
2015-01-01 – 2015-12-31233900000 USD2018-02-28 · 21:45:38.000ZOpen filing evidence
2015-07-01 – 2015-09-3056700000 USD2015-11-03 · 16:57:51.000ZOpen filing evidence
2015-01-01 – 2015-09-30171800000 USD2015-11-03 · 16:57:51.000ZOpen filing evidence
2015-04-01 – 2015-06-3058800000 USD2015-07-28 · 17:44:52.000ZOpen filing evidence
2015-01-01 – 2015-06-30115100000 USD2015-07-28 · 17:44:52.000ZOpen filing evidence

Safety And Security Systems · Industrialsignalingequipment

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember;srt:ProductOrServiceAxis=fss:IndustrialsignalingequipmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3116600000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-3169400000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-3017900000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-3052400000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-3116900000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-3171900000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-3017800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-3055100000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-3018700000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-06-3037300000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-03-3118600000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-01-01 – 2022-12-3162100000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-3016700000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-3046000000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-3015100000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-3029300000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2021-07-01 – 2021-09-3012200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-01-01 – 2021-09-3039900000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-04-01 – 2021-06-3014300000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-3027700000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2020-01-01 – 2020-12-3150800000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2020-07-01 – 2020-09-3011600000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-3038000000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-3012100000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-06-3026400000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-12-3159300000 USD2021-02-25 · 18:15:54.000ZOpen filing evidence
2019-04-01 – 2019-06-3016200000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-3030000000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence

Safety And Security Systems · Publicsafetyandsecurityequipment

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember;srt:ProductOrServiceAxis=fss:PublicsafetyandsecurityequipmentMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-3150600000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-31192600000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-3048200000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-30146200000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-3144900000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-31173200000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-3044200000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-30126800000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-3042400000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-06-3082600000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-12-31149100000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-3036300000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-30109900000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-3037500000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-3073600000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-03-3136100000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2021-01-01 – 2021-12-31126100000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2021-07-01 – 2021-09-3030200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-01-01 – 2021-09-3093600000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2021-04-01 – 2021-06-3032100000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-3063400000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-03-3131300000 USD2022-05-02 · 18:31:13.000ZOpen filing evidence
2020-01-01 – 2020-12-31132600000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2020-07-01 – 2020-09-3029500000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-3097600000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-3036300000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2020-01-01 – 2020-06-3068100000 USD2021-07-29 · 18:06:02.000ZOpen filing evidence
2019-01-01 – 2019-12-31133500000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-04-01 – 2019-06-3034600000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-3067000000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence

Safety And Security Systems · Warningsystems

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=fss:SafetyAndSecuritySystemsMember;srt:ProductOrServiceAxis=fss:WarningsystemsMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-03-319200000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2024-01-01 – 2024-12-3142400000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2024-07-01 – 2024-09-309900000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-09-3029900000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2024-01-01 – 2024-03-319100000 USD2025-04-30 · 17:47:21.000ZOpen filing evidence
2023-01-01 – 2023-12-3139700000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2023-07-01 – 2023-09-3011400000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-01-01 – 2023-09-3027600000 USD2024-10-31 · 18:26:01.000ZOpen filing evidence
2023-04-01 – 2023-06-308300000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-06-3016200000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2023-01-01 – 2023-03-317900000 USD2024-04-30 · 15:38:32.000ZOpen filing evidence
2022-01-01 – 2022-12-3133000000 USD2025-02-26 · 21:19:34.000ZOpen filing evidence
2022-07-01 – 2022-09-308600000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-01-01 – 2022-09-3022100000 USD2023-11-02 · 15:50:46.000ZOpen filing evidence
2022-04-01 – 2022-06-307800000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2022-01-01 – 2022-06-3013500000 USD2023-07-27 · 17:24:42.000ZOpen filing evidence
2021-01-01 – 2021-12-3129200000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2021-07-01 – 2021-09-306800000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-01-01 – 2021-09-3019800000 USD2022-11-03 · 17:26:59.000ZOpen filing evidence
2021-04-01 – 2021-06-307000000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2021-01-01 – 2021-06-3013000000 USD2022-07-27 · 17:43:15.000ZOpen filing evidence
2020-01-01 – 2020-12-3131600000 USD2023-03-01 · 19:19:23.000ZOpen filing evidence
2020-07-01 – 2020-09-307700000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-01-01 – 2020-09-3022200000 USD2021-11-09 · 19:15:22.000ZOpen filing evidence
2020-04-01 – 2020-06-307500000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2020-01-01 – 2020-06-3014500000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-12-3135600000 USD2022-03-01 · 21:41:32.000ZOpen filing evidence
2019-04-01 – 2019-06-306300000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence
2019-01-01 – 2019-06-3014400000 USD2020-07-29 · 16:41:08.000ZOpen filing evidence