Segment disclosures

Company overview

EVOQUA WATER TECHNOLOGIES CORP.

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

Revenue · Reported segment facts

42 dimension combinations 528 retained observations 27 reported periods

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.

Intersegment Elimination · Applied Products Technologies

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductsTechnologiesMember
PeriodValueUnitFiledEvidence
2018-10-01 – 2018-12-3118030000 USD20190205Open filing evidence
2017-10-01 – 2017-12-3118939000 USD20190205Open filing evidence

Intersegment Elimination · Applied Product Technologies

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3125935000 USD20230502Open filing evidence
2022-10-01 – 2023-03-3145853000 USD20230502Open filing evidence
2022-10-01 – 2022-12-3119918000 USD20230131Open filing evidence
2021-10-01 – 2022-09-30100646000 USD20221116Open filing evidence
2022-01-01 – 2022-03-3122973000 USD20230502Open filing evidence
2021-10-01 – 2022-03-3144248000 USD20230502Open filing evidence
2021-10-01 – 2021-12-3121275000 USD20230131Open filing evidence
2020-10-01 – 2021-09-3083537000 USD20221116Open filing evidence
2019-10-01 – 2020-09-3074361000 USD20221116Open filing evidence
2020-04-01 – 2020-06-3017234000 USD20200804Open filing evidence
2019-10-01 – 2020-06-3053442000 USD20200804Open filing evidence
2020-01-01 – 2020-03-3115646000 USD20200506Open filing evidence
2019-10-01 – 2020-03-3136208000 USD20200506Open filing evidence
2019-10-01 – 2019-12-3120562000 USD20200204Open filing evidence
2018-10-01 – 2019-09-3097725000 USD20201120Open filing evidence
2019-04-01 – 2019-06-3023612000 USD20200804Open filing evidence
2018-10-01 – 2019-06-3068014000 USD20200804Open filing evidence
2019-01-01 – 2019-03-3126372000 USD20200506Open filing evidence
2018-10-01 – 2019-03-3144402000 USD20200506Open filing evidence
2018-10-01 – 2018-12-3118030000 USD20200204Open filing evidence
2017-10-01 – 2018-09-3075384000 USD20201120Open filing evidence
2018-04-01 – 2018-06-3019696000 USD20190806Open filing evidence
2017-10-01 – 2018-06-3057890000 USD20190806Open filing evidence
2018-01-01 – 2018-03-3119255000 USD20190510Open filing evidence
2017-10-01 – 2018-03-3138195000 USD20190510Open filing evidence
2016-10-01 – 2017-09-3065730000 USD20191125Open filing evidence
2015-10-01 – 2016-09-3059296000 USD2019-02-15 · 19:46:46.000ZOpen filing evidence

Intersegment Elimination · Industrial Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IndustrialSegmentMember
PeriodValueUnitFiledEvidence
2017-10-01 – 2018-09-309047000 USD20181211Open filing evidence
2016-10-01 – 2017-09-307211000 USD20181211Open filing evidence
2015-10-01 – 2016-09-306632000 USD20181211Open filing evidence

Intersegment Elimination · Integrated Solutionsand Services

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-315939000 USD20230502Open filing evidence
2022-10-01 – 2023-03-3111777000 USD20230502Open filing evidence
2021-10-01 – 2022-09-3037688000 USD20221116Open filing evidence
2022-01-01 – 2022-03-319659000 USD20230502Open filing evidence
2021-10-01 – 2022-03-3118189000 USD20230502Open filing evidence
2020-10-01 – 2021-09-3020966000 USD20221116Open filing evidence
2019-10-01 – 2020-09-3010360000 USD20221116Open filing evidence
2020-04-01 – 2020-06-301603000 USD20200804Open filing evidence
2019-10-01 – 2020-06-308204000 USD20200804Open filing evidence
2020-01-01 – 2020-03-312939000 USD20200506Open filing evidence
2019-10-01 – 2020-03-316601000 USD20200506Open filing evidence
2019-10-01 – 2019-12-313662000 USD20200204Open filing evidence
2018-10-01 – 2019-09-309151000 USD20211117Open filing evidence
2019-04-01 – 2019-06-302386000 USD20200804Open filing evidence
2018-10-01 – 2019-06-306240000 USD20200804Open filing evidence
2019-01-01 – 2019-03-312075000 USD20200506Open filing evidence
2018-10-01 – 2019-03-313854000 USD20200506Open filing evidence
2018-10-01 – 2018-12-311779000 USD20200204Open filing evidence
2017-10-01 – 2018-09-309217000 USD20201120Open filing evidence
2018-04-01 – 2018-06-301902000 USD20190806Open filing evidence
2017-10-01 – 2018-06-307786000 USD20190806Open filing evidence
2018-01-01 – 2018-03-312740000 USD20190510Open filing evidence
2017-10-01 – 2018-03-315884000 USD20190510Open filing evidence
2017-10-01 – 2017-12-313144000 USD20190205Open filing evidence
2016-10-01 – 2017-09-308524000 USD20191125Open filing evidence
2015-10-01 – 2016-09-307237000 USD2019-02-15 · 19:46:46.000ZOpen filing evidence

Intersegment Elimination · Municipal Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:MunicipalSegmentMember
PeriodValueUnitFiledEvidence
2017-10-01 – 2018-09-3031775000 USD20181211Open filing evidence
2016-10-01 – 2017-09-3028527000 USD20181211Open filing evidence
2015-10-01 – 2016-09-3029647000 USD20181211Open filing evidence

Intersegment Elimination · Product Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:ProductSegmentMember
PeriodValueUnitFiledEvidence
2017-10-01 – 2018-09-3043779000 USD20181211Open filing evidence
2016-10-01 – 2017-09-3038516000 USD20181211Open filing evidence
2015-10-01 – 2016-09-3030254000 USD20181211Open filing evidence

Operating Segments · Applied Products Technologies

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductsTechnologiesMember
PeriodValueUnitFiledEvidence
2018-10-01 – 2018-12-31112504000 RestatedUSD20190205Open filing evidence
2017-10-01 – 2017-12-31105145000 RestatedUSD20190205Open filing evidence

Operating Segments · Applied Product Technologies

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-31148898000 RestatedUSD20230502Open filing evidence
2022-10-01 – 2023-03-31279318000 RestatedUSD20230502Open filing evidence
2022-10-01 – 2022-12-31130420000 RestatedUSD20230131Open filing evidence
2022-04-01 – 2022-06-30141914000 RestatedUSD20220802Open filing evidence
2021-10-01 – 2022-06-30395024000 RestatedUSD20220802Open filing evidence
2022-01-01 – 2022-03-31131888000 RestatedUSD20230502Open filing evidence
2021-10-01 – 2022-03-31253110000 RestatedUSD20230502Open filing evidence
2021-10-01 – 2021-12-31121222000 RestatedUSD20230131Open filing evidence
2020-10-01 – 2021-09-30504543000 RestatedUSD20211117Open filing evidence
2021-04-01 – 2021-06-30129994000 RestatedUSD20220802Open filing evidence
2020-10-01 – 2021-06-30359900000 RestatedUSD20220802Open filing evidence
2021-01-01 – 2021-03-31122430000 RestatedUSD20220503Open filing evidence
2020-10-01 – 2021-03-31229906000 RestatedUSD20220503Open filing evidence
2020-10-01 – 2020-12-31123581000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30559635000 USD20211117Open filing evidence
2020-04-01 – 2020-06-30119116000 RestatedUSD20210803Open filing evidence
2019-10-01 – 2020-06-30404303000 USD20210803Open filing evidence
2020-01-01 – 2020-03-31113778000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31267953000 RestatedUSD20210505Open filing evidence
2019-10-01 – 2019-12-31138529000 RestatedUSD20200204Open filing evidence
2018-10-01 – 2019-09-30533607000 USD20211117Open filing evidence
2019-04-01 – 2019-06-30134914000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30369182000 USD20200804Open filing evidence
2019-01-01 – 2019-03-31148136000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31278670000 USD20200506Open filing evidence
2018-10-01 – 2018-12-31130534000 USD20200204Open filing evidence
2017-10-01 – 2018-09-30503907000 USD20201120Open filing evidence
2018-04-01 – 2018-06-30152835000 RestatedUSD20190806Open filing evidence
2017-10-01 – 2018-06-30425388000 RestatedUSD20190806Open filing evidence
2018-01-01 – 2018-03-31129215000 RestatedUSD20190510Open filing evidence
2017-10-01 – 2018-03-31234359000 RestatedUSD20190510Open filing evidence
2016-10-01 – 2017-09-30567820000 RestatedUSD20191125Open filing evidence
2015-10-01 – 2016-09-30492595000 RestatedUSD2019-02-15 · 19:46:46.000ZOpen filing evidence

Operating Segments · Industrial Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IndustrialSegmentMember
PeriodValueUnitFiledEvidence
2017-10-01 – 2018-09-30737187000 RestatedUSD20181211Open filing evidence
2016-10-01 – 2017-09-30650616000 RestatedUSD20181211Open filing evidence
2015-10-01 – 2016-09-30610824000 RestatedUSD20181211Open filing evidence

Operating Segments · Integrated Solutionsand Services

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-31328899000 RestatedUSD20230502Open filing evidence
2022-10-01 – 2023-03-31634325000 RestatedUSD20230502Open filing evidence
2022-04-01 – 2022-06-30297411000 RestatedUSD20220802Open filing evidence
2021-10-01 – 2022-06-30837297000 RestatedUSD20220802Open filing evidence
2022-01-01 – 2022-03-31294840000 RestatedUSD20230502Open filing evidence
2021-10-01 – 2022-03-31539886000 RestatedUSD20230502Open filing evidence
2020-10-01 – 2021-09-30959886000 RestatedUSD20211117Open filing evidence
2021-04-01 – 2021-06-30239687000 RestatedUSD20220802Open filing evidence
2020-10-01 – 2021-06-30678538000 RestatedUSD20220802Open filing evidence
2021-01-01 – 2021-03-31224134000 RestatedUSD20220503Open filing evidence
2020-10-01 – 2021-03-31438851000 RestatedUSD20220503Open filing evidence
2020-10-01 – 2020-12-31214717000 RestatedUSD20210202Open filing evidence
2019-10-01 – 2020-09-30954542000 USD20211117Open filing evidence
2020-04-01 – 2020-06-30228711000 RestatedUSD20210803Open filing evidence
2019-10-01 – 2020-06-30702938000 USD20210803Open filing evidence
2020-01-01 – 2020-03-31237885000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31472624000 RestatedUSD20210505Open filing evidence
2019-10-01 – 2019-12-31231800000 RestatedUSD20210202Open filing evidence
2018-10-01 – 2019-09-30910834000 USD20211117Open filing evidence
2019-04-01 – 2019-06-30225429000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30662791000 USD20200804Open filing evidence
2019-01-01 – 2019-03-31228939000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31441216000 USD20200506Open filing evidence
2018-10-01 – 2018-12-31212277000 USD20200204Open filing evidence
2017-10-01 – 2018-09-30835634000 USD20201120Open filing evidence
2018-04-01 – 2018-06-30211238000 RestatedUSD20190806Open filing evidence
2017-10-01 – 2018-06-30613503000 RestatedUSD20190806Open filing evidence
2018-01-01 – 2018-03-31204475000 RestatedUSD20190510Open filing evidence
2017-10-01 – 2018-03-31396381000 RestatedUSD20190510Open filing evidence
2017-10-01 – 2017-12-31191906000 RestatedUSD20190205Open filing evidence
2016-10-01 – 2017-09-30753858000 RestatedUSD20191125Open filing evidence
2015-10-01 – 2016-09-30711134000 RestatedUSD2019-02-15 · 19:46:46.000ZOpen filing evidence

Operating Segments · Municipal Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:MunicipalSegmentMember
PeriodValueUnitFiledEvidence
2017-10-01 – 2018-09-30303940000 RestatedUSD20181211Open filing evidence
2016-10-01 – 2017-09-30307135000 RestatedUSD20181211Open filing evidence
2015-10-01 – 2016-09-30307647000 RestatedUSD20181211Open filing evidence

Operating Segments · Product Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:ProductSegmentMember
PeriodValueUnitFiledEvidence
2017-10-01 – 2018-09-30383015000 RestatedUSD20181211Open filing evidence
2016-10-01 – 2017-09-30363927000 RestatedUSD20181211Open filing evidence
2015-10-01 – 2016-09-30285258000 RestatedUSD20181211Open filing evidence

Products And Services Capital Projects · Applied Product Technologies

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=aqua:ProductsAndServicesCapitalProjectsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3199412000 USD20230502Open filing evidence
2022-10-01 – 2023-03-31187477000 USD20230502Open filing evidence
2022-01-01 – 2022-03-3191778000 USD20230502Open filing evidence
2021-10-01 – 2022-03-31175662000 USD20230502Open filing evidence

Products And Services Capital Projects · Integrated Solutionsand Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=aqua:ProductsAndServicesCapitalProjectsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3187761000 USD20230502Open filing evidence
2022-10-01 – 2023-03-31165407000 USD20230502Open filing evidence
2022-01-01 – 2022-03-3170702000 USD20230502Open filing evidence
2021-10-01 – 2022-03-31137804000 USD20230502Open filing evidence

Manufactured Product Other · Applied Products Technologies

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ManufacturedProductOtherMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductsTechnologiesMember
PeriodValueUnitFiledEvidence
2018-10-01 – 2018-12-3135057000 USD20190205Open filing evidence

Manufactured Product Other · Applied Product Technologies

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ManufacturedProductOtherMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3144673000 USD20230502Open filing evidence
2022-10-01 – 2023-03-3181913000 USD20230502Open filing evidence
2022-10-01 – 2022-12-3137240000 USD20230131Open filing evidence
2021-10-01 – 2022-09-30148118000 USD20221116Open filing evidence
2022-04-01 – 2022-06-3037607000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30104915000 USD20220802Open filing evidence
2022-01-01 – 2022-03-3135024000 USD20230502Open filing evidence
2021-10-01 – 2022-03-3167308000 USD20230502Open filing evidence
2021-10-01 – 2021-12-3132284000 USD20230131Open filing evidence
2020-10-01 – 2021-09-30116463000 USD20221116Open filing evidence
2021-04-01 – 2021-06-3030547000 USD20220802Open filing evidence
2020-10-01 – 2021-06-3083477000 USD20220802Open filing evidence
2021-01-01 – 2021-03-3127576000 USD20220503Open filing evidence
2020-10-01 – 2021-03-3152930000 USD20220503Open filing evidence
2019-10-01 – 2020-09-30128051000 USD20221116Open filing evidence
2020-04-01 – 2020-06-3028086000 USD20200804Open filing evidence
2019-10-01 – 2020-06-3098189000 USD20200804Open filing evidence
2020-01-01 – 2020-03-3132762000 USD20200506Open filing evidence
2019-10-01 – 2020-03-3170103000 USD20200506Open filing evidence
2019-10-01 – 2019-12-3137341000 USD20200204Open filing evidence
2018-10-01 – 2019-09-30165056000 USD20201120Open filing evidence
2019-04-01 – 2019-06-3044873000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30120422000 USD20200804Open filing evidence
2019-01-01 – 2019-03-3140492000 USD20200506Open filing evidence
2018-10-01 – 2019-03-3175549000 USD20200506Open filing evidence
2018-10-01 – 2018-12-3135057000 USD20200204Open filing evidence

Manufactured Product Other · Integrated Solutionsand Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ManufacturedProductOtherMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-3160805000 USD20230502Open filing evidence
2022-10-01 – 2023-03-31118245000 USD20230502Open filing evidence
2021-10-01 – 2022-09-30215972000 USD20221116Open filing evidence
2022-04-01 – 2022-06-3059033000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30150602000 USD20220802Open filing evidence
2022-01-01 – 2022-03-3162271000 USD20230502Open filing evidence
2021-10-01 – 2022-03-3191569000 USD20230502Open filing evidence
2020-10-01 – 2021-09-30128585000 USD20221116Open filing evidence
2021-04-01 – 2021-06-3031852000 USD20220802Open filing evidence
2020-10-01 – 2021-06-3091499000 USD20220802Open filing evidence
2021-01-01 – 2021-03-3132501000 USD20220503Open filing evidence
2020-10-01 – 2021-03-3159647000 USD20220503Open filing evidence
2019-10-01 – 2020-09-30119051000 USD20221116Open filing evidence
2020-04-01 – 2020-06-3029143000 USD20200804Open filing evidence
2019-10-01 – 2020-06-3090717000 USD20200804Open filing evidence
2020-01-01 – 2020-03-3131901000 USD20200506Open filing evidence
2019-10-01 – 2020-03-3161574000 USD20200506Open filing evidence
2019-10-01 – 2019-12-3129673000 USD20200204Open filing evidence
2018-10-01 – 2019-09-30122719000 USD20201120Open filing evidence
2019-04-01 – 2019-06-3029968000 USD20200804Open filing evidence
2018-10-01 – 2019-06-3093238000 USD20200804Open filing evidence
2019-01-01 – 2019-03-3132474000 USD20200506Open filing evidence
2018-10-01 – 2019-03-3163270000 USD20200506Open filing evidence
2018-10-01 – 2018-12-3130796000 USD20200204Open filing evidence

Service · Applied Products Technologies

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductsTechnologiesMember
PeriodValueUnitFiledEvidence
2018-10-01 – 2018-12-316221000 USD20190205Open filing evidence

Service · Applied Product Technologies

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2022-10-01 – 2022-12-315115000 USD20230131Open filing evidence
2021-10-01 – 2022-09-3021008000 USD20221116Open filing evidence
2022-04-01 – 2022-06-305525000 USD20220802Open filing evidence
2021-10-01 – 2022-06-3015665000 USD20220802Open filing evidence
2021-10-01 – 2021-12-315054000 USD20230131Open filing evidence
2020-10-01 – 2021-09-3022289000 USD20221116Open filing evidence
2021-04-01 – 2021-06-306755000 USD20220802Open filing evidence
2020-10-01 – 2021-06-3016546000 USD20220802Open filing evidence
2019-10-01 – 2020-09-3021996000 USD20221116Open filing evidence
2020-04-01 – 2020-06-305376000 USD20210803Open filing evidence
2019-10-01 – 2020-06-3016878000 USD20210803Open filing evidence
2020-01-01 – 2020-03-315802000 USD20200506Open filing evidence
2019-10-01 – 2020-03-3111502000 USD20200506Open filing evidence
2019-10-01 – 2019-12-315700000 USD20200204Open filing evidence
2018-10-01 – 2019-09-3024454000 USD20201120Open filing evidence
2019-04-01 – 2019-06-306651000 USD20200804Open filing evidence
2018-10-01 – 2019-06-3017873000 USD20200804Open filing evidence
2019-01-01 – 2019-03-315001000 USD20200506Open filing evidence
2018-10-01 – 2019-03-3111222000 USD20200506Open filing evidence
2018-10-01 – 2018-12-316221000 USD20200204Open filing evidence

Service · Integrated Solutionsand Services

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=us-gaap:ServiceMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2021-10-01 – 2022-09-30663580000 USD20221116Open filing evidence
2022-04-01 – 2022-06-30165843000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30476356000 USD20220802Open filing evidence
2022-01-01 – 2022-03-31161867000 USD20220503Open filing evidence
2021-10-01 – 2022-03-31310513000 USD20220503Open filing evidence
2020-10-01 – 2021-09-30581114000 USD20221116Open filing evidence
2021-04-01 – 2021-06-30144499000 USD20220802Open filing evidence
2020-10-01 – 2021-06-30420984000 USD20220802Open filing evidence
2021-01-01 – 2021-03-31139540000 USD20220503Open filing evidence
2020-10-01 – 2021-03-31276485000 USD20220503Open filing evidence
2019-10-01 – 2020-09-30567603000 USD20221116Open filing evidence
2020-04-01 – 2020-06-30134876000 USD20210803Open filing evidence
2019-10-01 – 2020-06-30418613000 USD20210803Open filing evidence
2020-01-01 – 2020-03-31139892000 USD20200506Open filing evidence
2019-10-01 – 2020-03-31283737000 USD20200506Open filing evidence
2019-10-01 – 2019-12-31143845000 USD20200204Open filing evidence
2018-10-01 – 2019-09-30568826000 USD20201120Open filing evidence
2019-04-01 – 2019-06-30143329000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30416781000 USD20200804Open filing evidence
2019-01-01 – 2019-03-31136759000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31273452000 USD20200506Open filing evidence
2018-10-01 – 2018-12-31136693000 USD20200204Open filing evidence

Intersegment Elimination · Industrial Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IndustrialSegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-301810000 USD20180807Open filing evidence
2017-10-01 – 2018-06-307575000 USD20180807Open filing evidence
2018-01-01 – 2018-03-312690000 USD20180508Open filing evidence
2017-10-01 – 2018-03-315764000 USD20180508Open filing evidence
2017-10-01 – 2017-12-313075000 USD20180207Open filing evidence
2017-04-01 – 2017-06-301206000 USD20180807Open filing evidence
2016-10-01 – 2017-06-303553000 USD20180807Open filing evidence
2017-01-01 – 2017-03-311048000 USD20180508Open filing evidence
2016-10-01 – 2017-03-312347000 USD20180508Open filing evidence
2016-10-01 – 2016-12-311299000 USD20180207Open filing evidence

Intersegment Elimination · Municipal Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:MunicipalSegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-307428000 USD20180807Open filing evidence
2017-10-01 – 2018-06-3021079000 USD20180807Open filing evidence
2018-01-01 – 2018-03-319214000 USD20180508Open filing evidence
2017-10-01 – 2018-03-3116621000 USD20180508Open filing evidence
2017-10-01 – 2017-12-317407000 USD20180207Open filing evidence
2017-04-01 – 2017-06-307075000 USD20180807Open filing evidence
2016-10-01 – 2017-06-3018970000 USD20180807Open filing evidence
2017-01-01 – 2017-03-315140000 USD20180508Open filing evidence
2016-10-01 – 2017-03-3111895000 USD20180508Open filing evidence
2016-10-01 – 2016-12-316754000 USD20180207Open filing evidence

Intersegment Elimination · Product Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=aqua:ProductSegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3012360000 USD20180807Open filing evidence
2017-10-01 – 2018-06-3030746000 USD20180807Open filing evidence
2018-01-01 – 2018-03-3110091000 USD20180508Open filing evidence
2017-10-01 – 2018-03-3121909000 USD20180508Open filing evidence
2017-10-01 – 2017-12-3111601000 USD20180207Open filing evidence
2017-04-01 – 2017-06-309555000 USD20180807Open filing evidence
2016-10-01 – 2017-06-3027053000 USD20180807Open filing evidence
2017-01-01 – 2017-03-3112048000 USD20180508Open filing evidence
2016-10-01 – 2017-03-3119480000 USD20180508Open filing evidence
2016-10-01 – 2016-12-317432000 USD20180207Open filing evidence

Operating Segments · Industrial Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IndustrialSegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-30182323000 RestatedUSD20180807Open filing evidence
2017-10-01 – 2018-06-30528776000 RestatedUSD20180807Open filing evidence
2018-01-01 – 2018-03-31181259000 RestatedUSD20180508Open filing evidence
2017-10-01 – 2018-03-31346453000 RestatedUSD20180508Open filing evidence
2017-10-01 – 2017-12-31165194000 RestatedUSD20180207Open filing evidence
2017-04-01 – 2017-06-30154698000 RestatedUSD20180807Open filing evidence
2016-10-01 – 2017-06-30460861000 RestatedUSD20180807Open filing evidence
2017-01-01 – 2017-03-31160457000 RestatedUSD20180508Open filing evidence
2016-10-01 – 2017-03-31306163000 RestatedUSD20180508Open filing evidence
2016-10-01 – 2016-12-31145706000 RestatedUSD20180207Open filing evidence

Operating Segments · Municipal Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:MunicipalSegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3068499000 RestatedUSD20180807Open filing evidence
2017-10-01 – 2018-06-30194689000 RestatedUSD20180807Open filing evidence
2018-01-01 – 2018-03-3164284000 RestatedUSD20180508Open filing evidence
2017-10-01 – 2018-03-31126190000 RestatedUSD20180508Open filing evidence
2017-10-01 – 2017-12-3161906000 RestatedUSD20180207Open filing evidence
2017-04-01 – 2017-06-3072742000 RestatedUSD20180807Open filing evidence
2016-10-01 – 2017-06-30198927000 RestatedUSD20180807Open filing evidence
2017-01-01 – 2017-03-3163554000 RestatedUSD20180508Open filing evidence
2016-10-01 – 2017-03-31126185000 RestatedUSD20180508Open filing evidence
2016-10-01 – 2016-12-3162631000 RestatedUSD20180207Open filing evidence

Operating Segments · Product Segment

Consolidation Items · Statement Business Segments

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=aqua:ProductSegmentMember
PeriodValueUnitFiledEvidence
2018-04-01 – 2018-06-3091653000 RestatedUSD20180807Open filing evidence
2017-10-01 – 2018-06-30249750000 RestatedUSD20180807Open filing evidence
2018-01-01 – 2018-03-3188147000 RestatedUSD20180508Open filing evidence
2017-10-01 – 2018-03-31158097000 RestatedUSD20180508Open filing evidence
2017-10-01 – 2017-12-3169951000 RestatedUSD20180207Open filing evidence
2017-04-01 – 2017-06-3083702000 RestatedUSD20180807Open filing evidence
2016-10-01 – 2017-06-30231128000 RestatedUSD20180807Open filing evidence
2017-01-01 – 2017-03-3175890000 RestatedUSD20180508Open filing evidence
2016-10-01 – 2017-03-31147425000 RestatedUSD20180508Open filing evidence
2016-10-01 – 2016-12-3171535000 RestatedUSD20180207Open filing evidence

Applied Products Technologies

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductsTechnologiesMember
PeriodValueUnitFiledEvidence
2018-10-01 – 2018-12-31112504000 USD20190205Open filing evidence

Applied Products Technologies · Transferred Over Time

Statement Business Segments · Timing Of Transfer Of Good Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductsTechnologiesMember;us-gaap:TimingOfTransferOfGoodOrServiceAxis=us-gaap:TransferredOverTimeMember
PeriodValueUnitFiledEvidence
2018-10-01 – 2018-12-3171226000 USD20190205Open filing evidence

Applied Product Technologies

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-31148898000 USD20230502Open filing evidence
2022-10-01 – 2023-03-31279318000 USD20230502Open filing evidence
2022-10-01 – 2022-12-31130420000 USD20230131Open filing evidence
2021-10-01 – 2022-09-30552599000 USD20221116Open filing evidence
2022-04-01 – 2022-06-30141914000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30395024000 USD20220802Open filing evidence
2022-01-01 – 2022-03-31131888000 USD20230502Open filing evidence
2021-10-01 – 2022-03-31253110000 USD20220503Open filing evidence
2021-10-01 – 2021-12-31121222000 USD20220201Open filing evidence
2020-10-01 – 2021-09-30504543000 USD20221116Open filing evidence
2021-04-01 – 2021-06-30129994000 USD20220802Open filing evidence
2020-10-01 – 2021-06-30359900000 USD20210803Open filing evidence
2021-01-01 – 2021-03-31122430000 USD20220503Open filing evidence
2020-10-01 – 2021-03-31229906000 USD20210505Open filing evidence
2020-10-01 – 2020-12-31107476000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30485274000 USD20221116Open filing evidence
2020-04-01 – 2020-06-30119116000 USD20210803Open filing evidence
2019-10-01 – 2020-06-30350861000 USD20210803Open filing evidence
2020-01-01 – 2020-03-31113778000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31231745000 USD20210505Open filing evidence
2019-10-01 – 2019-12-31117967000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30533607000 USD20211117Open filing evidence
2019-04-01 – 2019-06-30134914000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30369182000 USD20190806Open filing evidence
2019-01-01 – 2019-03-31121764000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31234268000 USD20190510Open filing evidence
2018-10-01 – 2018-12-31112504000 USD20200204Open filing evidence

Applied Product Technologies · Intersegment Elimination

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3024865000 USD20220802Open filing evidence
2021-10-01 – 2022-06-3069113000 USD20220802Open filing evidence
2022-01-01 – 2022-03-3122973000 USD20220503Open filing evidence
2021-10-01 – 2022-03-3144248000 USD20220503Open filing evidence
2021-10-01 – 2021-12-3121275000 USD20220201Open filing evidence
2020-10-01 – 2021-09-3083537000 USD20211117Open filing evidence
2021-04-01 – 2021-06-3019440000 USD20220802Open filing evidence
2020-10-01 – 2021-06-3059222000 USD20220802Open filing evidence
2021-01-01 – 2021-03-3123677000 USD20220503Open filing evidence
2020-10-01 – 2021-03-3139782000 USD20220503Open filing evidence
2020-10-01 – 2020-12-3116105000 USD20220201Open filing evidence
2019-10-01 – 2020-09-3074361000 USD20211117Open filing evidence
2020-04-01 – 2020-06-3017234000 USD20210803Open filing evidence
2019-10-01 – 2020-06-3053442000 USD20210803Open filing evidence
2020-01-01 – 2020-03-3115646000 USD20210505Open filing evidence
2019-10-01 – 2020-03-3136208000 USD20210505Open filing evidence
2019-10-01 – 2019-12-3120562000 USD20210202Open filing evidence
2018-10-01 – 2019-09-3097725000 USD20211117Open filing evidence

Applied Product Technologies · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-10-01 – 2022-09-30552599000 RestatedUSD20221116Open filing evidence
2020-10-01 – 2021-09-30588080000 USD20221116Open filing evidence
2020-10-01 – 2020-12-31107476000 RestatedUSD20210202Open filing evidence
2019-10-01 – 2020-09-30485274000 RestatedUSD20221116Open filing evidence
2019-10-01 – 2019-12-31138529000 USD20210202Open filing evidence

Applied Product Technologies · Manufactured Product Other

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember;srt:ProductOrServiceAxis=us-gaap:ManufacturedProductOtherMember
PeriodValueUnitFiledEvidence
2021-10-01 – 2021-12-3132284000 USD20220201Open filing evidence
2020-10-01 – 2021-09-30116463000 USD20211117Open filing evidence
2021-04-01 – 2021-06-3030547000 USD20210803Open filing evidence
2020-10-01 – 2021-06-3083477000 USD20210803Open filing evidence
2021-01-01 – 2021-03-3127576000 USD20210505Open filing evidence
2020-10-01 – 2021-03-3152930000 USD20210505Open filing evidence
2020-10-01 – 2020-12-3125354000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30128051000 USD20211117Open filing evidence
2020-04-01 – 2020-06-3028086000 USD20210803Open filing evidence
2019-10-01 – 2020-06-3098189000 USD20210803Open filing evidence
2020-01-01 – 2020-03-3132762000 USD20210505Open filing evidence
2019-10-01 – 2020-03-3170103000 USD20210505Open filing evidence
2019-10-01 – 2019-12-3137341000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30165056000 USD20211117Open filing evidence

Applied Product Technologies · Service

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-314813000 USD20230502Open filing evidence
2022-10-01 – 2023-03-319928000 USD20230502Open filing evidence
2022-01-01 – 2022-03-315086000 USD20230502Open filing evidence
2021-10-01 – 2022-03-3110140000 USD20230502Open filing evidence
2021-10-01 – 2021-12-315054000 USD20220201Open filing evidence
2020-10-01 – 2021-09-3022289000 USD20211117Open filing evidence
2021-01-01 – 2021-03-314558000 USD20220503Open filing evidence
2020-10-01 – 2021-03-319791000 USD20220503Open filing evidence
2020-10-01 – 2020-12-315233000 USD20220201Open filing evidence
2019-10-01 – 2020-09-3021996000 USD20211117Open filing evidence
2020-01-01 – 2020-03-315802000 USD20210505Open filing evidence
2019-10-01 – 2020-03-3111502000 USD20210505Open filing evidence
2019-10-01 – 2019-12-315700000 USD20210202Open filing evidence
2018-10-01 – 2019-09-3024454000 USD20211117Open filing evidence

Applied Product Technologies · Transferred Over Time

Statement Business Segments · Timing Of Transfer Of Good Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember;us-gaap:TimingOfTransferOfGoodOrServiceAxis=us-gaap:TransferredOverTimeMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3098782000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30274444000 USD20220802Open filing evidence
2021-10-01 – 2021-12-3183884000 USD20220201Open filing evidence
2021-04-01 – 2021-06-3092692000 USD20220802Open filing evidence
2020-10-01 – 2021-06-30259877000 USD20220802Open filing evidence
2020-10-01 – 2020-12-3176889000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30335227000 USD20201120Open filing evidence
2020-04-01 – 2020-06-3085654000 USD20200804Open filing evidence
2019-10-01 – 2020-06-30235794000 USD20200804Open filing evidence
2020-01-01 – 2020-03-3175214000 USD20200506Open filing evidence
2019-10-01 – 2020-03-31150140000 USD20200506Open filing evidence
2019-10-01 – 2019-12-3174926000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30344097000 USD20201120Open filing evidence
2019-04-01 – 2019-06-3083390000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30230887000 USD20200804Open filing evidence
2019-01-01 – 2019-03-3176271000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31147497000 USD20200506Open filing evidence
2018-10-01 – 2018-12-3171226000 USD20200204Open filing evidence

Integrated Solutionsand Services

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-31328899000 USD20230502Open filing evidence
2022-10-01 – 2023-03-31634325000 USD20230502Open filing evidence
2022-10-01 – 2022-12-31305426000 USD20230131Open filing evidence
2021-10-01 – 2022-09-301184477000 USD20221116Open filing evidence
2022-04-01 – 2022-06-30297411000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30837297000 USD20220802Open filing evidence
2022-01-01 – 2022-03-31294840000 USD20230502Open filing evidence
2021-10-01 – 2022-03-31539886000 USD20220503Open filing evidence
2021-10-01 – 2021-12-31245046000 USD20220201Open filing evidence
2020-10-01 – 2021-09-30959886000 USD20221116Open filing evidence
2021-04-01 – 2021-06-30239687000 USD20220802Open filing evidence
2020-10-01 – 2021-06-30678538000 USD20210803Open filing evidence
2021-01-01 – 2021-03-31224134000 USD20220503Open filing evidence
2020-10-01 – 2021-03-31438851000 USD20210505Open filing evidence
2020-10-01 – 2020-12-31214717000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30944182000 USD20221116Open filing evidence
2020-04-01 – 2020-06-30228711000 USD20210803Open filing evidence
2019-10-01 – 2020-06-30694734000 USD20210803Open filing evidence
2020-01-01 – 2020-03-31237885000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31466023000 USD20210505Open filing evidence
2019-10-01 – 2019-12-31228138000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30910834000 USD20211117Open filing evidence
2019-04-01 – 2019-06-30225429000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30662791000 USD20190806Open filing evidence
2019-01-01 – 2019-03-31226864000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31437362000 USD20190510Open filing evidence
2018-10-01 – 2018-12-31210498000 USD20200204Open filing evidence

Integrated Solutionsand Services · Intersegment Elimination

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember
PeriodValueUnitFiledEvidence
2022-10-01 – 2022-12-315838000 USD20230131Open filing evidence
2022-04-01 – 2022-06-3013020000 USD20220802Open filing evidence
2021-10-01 – 2022-06-3031209000 USD20220802Open filing evidence
2022-01-01 – 2022-03-319659000 USD20220503Open filing evidence
2021-10-01 – 2022-03-3118189000 USD20220503Open filing evidence
2021-10-01 – 2021-12-318530000 USD20230131Open filing evidence
2021-04-01 – 2021-06-305727000 USD20220802Open filing evidence
2020-10-01 – 2021-06-3011832000 USD20220802Open filing evidence
2021-01-01 – 2021-03-314069000 USD20220503Open filing evidence
2020-10-01 – 2021-03-316105000 USD20220503Open filing evidence
2020-10-01 – 2020-12-312036000 USD20220201Open filing evidence
2020-04-01 – 2020-06-301603000 USD20210803Open filing evidence
2019-10-01 – 2020-06-308204000 USD20210803Open filing evidence
2020-01-01 – 2020-03-312939000 USD20210505Open filing evidence
2019-10-01 – 2020-03-316601000 USD20210505Open filing evidence
2019-10-01 – 2019-12-313662000 USD20210202Open filing evidence

Integrated Solutionsand Services · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-10-01 – 2022-12-31305426000 RestatedUSD20230131Open filing evidence
2021-10-01 – 2022-09-301184477000 RestatedUSD20221116Open filing evidence
2021-10-01 – 2021-12-31245046000 RestatedUSD20230131Open filing evidence
2020-10-01 – 2021-09-30980852000 USD20221116Open filing evidence
2020-10-01 – 2020-12-31216753000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30944182000 RestatedUSD20221116Open filing evidence

Integrated Solutionsand Services · Manufactured Product Other

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember;srt:ProductOrServiceAxis=us-gaap:ManufacturedProductOtherMember
PeriodValueUnitFiledEvidence
2022-10-01 – 2022-12-3157440000 USD20230131Open filing evidence
2021-10-01 – 2021-12-3129298000 USD20230131Open filing evidence
2020-10-01 – 2021-09-30128585000 USD20211117Open filing evidence
2021-04-01 – 2021-06-3031852000 USD20210803Open filing evidence
2020-10-01 – 2021-06-3091499000 USD20210803Open filing evidence
2021-01-01 – 2021-03-3132501000 USD20210505Open filing evidence
2020-10-01 – 2021-03-3159647000 USD20210505Open filing evidence
2020-10-01 – 2020-12-3127146000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30119051000 USD20211117Open filing evidence
2020-04-01 – 2020-06-3029143000 USD20210803Open filing evidence
2019-10-01 – 2020-06-3090717000 USD20210803Open filing evidence
2020-01-01 – 2020-03-3131901000 USD20210505Open filing evidence
2019-10-01 – 2020-03-3161574000 USD20210505Open filing evidence
2019-10-01 – 2019-12-3129673000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30122719000 USD20211117Open filing evidence

Integrated Solutionsand Services · Service

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember;srt:ProductOrServiceAxis=us-gaap:ServiceMember
PeriodValueUnitFiledEvidence
2023-01-01 – 2023-03-31180333000 USD20230502Open filing evidence
2022-10-01 – 2023-03-31350673000 USD20230502Open filing evidence
2022-10-01 – 2022-12-31170340000 USD20230131Open filing evidence
2022-01-01 – 2022-03-31161867000 USD20230502Open filing evidence
2021-10-01 – 2022-03-31310513000 USD20230502Open filing evidence
2021-10-01 – 2021-12-31148646000 USD20230131Open filing evidence
2020-10-01 – 2021-09-30581114000 USD20211117Open filing evidence
2021-01-01 – 2021-03-31139540000 USD20210505Open filing evidence
2020-10-01 – 2021-03-31276485000 USD20210505Open filing evidence
2020-10-01 – 2020-12-31136945000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30567603000 USD20211117Open filing evidence
2020-01-01 – 2020-03-31139892000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31283737000 USD20210505Open filing evidence
2019-10-01 – 2019-12-31143845000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30568826000 USD20211117Open filing evidence

Integrated Solutionsand Services · Transferred Over Time

Statement Business Segments · Timing Of Transfer Of Good Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember;us-gaap:TimingOfTransferOfGoodOrServiceAxis=us-gaap:TransferredOverTimeMember
PeriodValueUnitFiledEvidence
2022-10-01 – 2022-12-3177646000 USD20230131Open filing evidence
2022-04-01 – 2022-06-3072535000 USD20220802Open filing evidence
2021-10-01 – 2022-06-30210339000 USD20220802Open filing evidence
2021-10-01 – 2021-12-3167102000 USD20230131Open filing evidence
2021-04-01 – 2021-06-3063336000 USD20220802Open filing evidence
2020-10-01 – 2021-06-30166055000 USD20220802Open filing evidence
2020-10-01 – 2020-12-3150626000 USD20220201Open filing evidence
2019-10-01 – 2020-09-30257528000 USD20201120Open filing evidence
2020-04-01 – 2020-06-3064692000 USD20200804Open filing evidence
2019-10-01 – 2020-06-30185404000 USD20200804Open filing evidence
2020-01-01 – 2020-03-3166092000 USD20200506Open filing evidence
2019-10-01 – 2020-03-31120712000 USD20200506Open filing evidence
2019-10-01 – 2019-12-3154620000 USD20210202Open filing evidence
2018-10-01 – 2019-09-30219289000 USD20201120Open filing evidence
2019-04-01 – 2019-06-3052132000 USD20200804Open filing evidence
2018-10-01 – 2019-06-30152772000 USD20200804Open filing evidence
2019-01-01 – 2019-03-3157631000 USD20200506Open filing evidence
2018-10-01 – 2019-03-31100640000 USD20200506Open filing evidence
2018-10-01 – 2018-12-3143009000 USD20200204Open filing evidence

Transferred Over Time · Applied Product Technologies

Timing Of Transfer Of Good Or Service · Statement Business Segments

Source dimensions us-gaap:TimingOfTransferOfGoodOrServiceAxis=us-gaap:TransferredOverTimeMember;us-gaap:StatementBusinessSegmentsAxis=aqua:AppliedProductTechnologiesMember
PeriodValueUnitFiledEvidence
2022-10-01 – 2022-12-3188065000 USD20230131Open filing evidence
2021-10-01 – 2022-09-30383473000 USD20221116Open filing evidence
2022-01-01 – 2022-03-3191778000 USD20220503Open filing evidence
2021-10-01 – 2022-03-31175662000 USD20220503Open filing evidence
2021-10-01 – 2021-12-3183884000 USD20230131Open filing evidence
2020-10-01 – 2021-09-30365791000 USD20221116Open filing evidence
2021-04-01 – 2021-06-3092692000 USD20210803Open filing evidence
2020-10-01 – 2021-06-30259877000 USD20210803Open filing evidence
2021-01-01 – 2021-03-3190296000 USD20220503Open filing evidence
2020-10-01 – 2021-03-31167185000 USD20220503Open filing evidence
2019-10-01 – 2020-09-30335227000 USD20221116Open filing evidence
2020-04-01 – 2020-06-3085654000 USD20210803Open filing evidence
2019-10-01 – 2020-06-30235794000 USD20210803Open filing evidence
2020-01-01 – 2020-03-3175214000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31150140000 USD20210505Open filing evidence
2018-10-01 – 2019-09-30344097000 USD20211117Open filing evidence

Transferred Over Time · Integrated Solutionsand Services

Timing Of Transfer Of Good Or Service · Statement Business Segments

Source dimensions us-gaap:TimingOfTransferOfGoodOrServiceAxis=us-gaap:TransferredOverTimeMember;us-gaap:StatementBusinessSegmentsAxis=aqua:IntegratedSolutionsandServicesMember
PeriodValueUnitFiledEvidence
2021-10-01 – 2022-09-30304925000 USD20221116Open filing evidence
2022-01-01 – 2022-03-3170702000 USD20220503Open filing evidence
2021-10-01 – 2022-03-31137804000 USD20220503Open filing evidence
2020-10-01 – 2021-09-30250187000 USD20221116Open filing evidence
2021-04-01 – 2021-06-3063336000 USD20210803Open filing evidence
2020-10-01 – 2021-06-30166055000 USD20210803Open filing evidence
2021-01-01 – 2021-03-3152093000 USD20220503Open filing evidence
2020-10-01 – 2021-03-31102719000 USD20220503Open filing evidence
2019-10-01 – 2020-09-30257528000 USD20221116Open filing evidence
2020-04-01 – 2020-06-3064692000 USD20210803Open filing evidence
2019-10-01 – 2020-06-30185404000 USD20210803Open filing evidence
2020-01-01 – 2020-03-3166092000 USD20210505Open filing evidence
2019-10-01 – 2020-03-31120712000 USD20210505Open filing evidence
2018-10-01 – 2019-09-30219289000 USD20211117Open filing evidence