{"cik":795403,"taxonomy":"us-gaap","tag":"LongTermDebtNoncurrent","label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"WATTS WATER TECHNOLOGIES INC","units":{"USD":[{"end":"2009-12-31","val":304000000,"accn":"0001104659-10-044227","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-13"},{"end":"2009-12-31","val":304000000,"accn":"0001104659-10-057944","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-12"},{"end":"2009-12-31","val":304000000,"accn":"0001047469-11-001609","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009Q4I"},{"end":"2010-07-04","val":378100000,"accn":"0001104659-10-044227","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-13","frame":"CY2010Q2I"},{"end":"2010-10-03","val":378200000,"accn":"0001104659-10-057944","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-12","frame":"CY2010Q3I"},{"end":"2010-12-31","val":378000000,"accn":"0001047469-11-001609","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"end":"2010-12-31","val":378000000,"accn":"0001104659-11-028935","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-13"},{"end":"2010-12-31","val":378000000,"accn":"0001104659-11-046393","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-12"},{"end":"2010-12-31","val":378000000,"accn":"0001104659-11-063914","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14"},{"end":"2010-12-31","val":378000000,"accn":"0001047469-12-001733","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2010Q4I"},{"end":"2011-04-03","val":470100000,"accn":"0001104659-11-028935","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-13","frame":"CY2011Q1I"},{"end":"2011-07-03","val":474400000,"accn":"0001104659-11-046393","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-12","frame":"CY2011Q2I"},{"end":"2011-10-02","val":453100000,"accn":"0001104659-11-063914","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-14","frame":"CY2011Q3I"},{"end":"2011-12-31","val":397400000,"accn":"0001047469-12-001733","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"end":"2011-12-31","val":397400000,"accn":"0001104659-12-035782","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10"},{"end":"2011-12-31","val":397400000,"accn":"0001104659-12-056564","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09"},{"end":"2011-12-31","val":397400000,"accn":"0001104659-12-075864","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"end":"2011-12-31","val":397400000,"accn":"0001047469-13-001806","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27","frame":"CY2011Q4I"},{"end":"2012-04-01","val":393500000,"accn":"0001104659-12-035782","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10","frame":"CY2012Q1I"},{"end":"2012-07-01","val":308100000,"accn":"0001104659-12-056564","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":307800000,"accn":"0001104659-12-075864","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08","frame":"CY2012Q3I"},{"end":"2012-12-31","val":307500000,"accn":"0001047469-13-001806","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2012-12-31","val":307500000,"accn":"0001104659-13-039473","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09"},{"end":"2012-12-31","val":307500000,"accn":"0001104659-13-061469","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":307500000,"accn":"0001104659-13-081632","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06"},{"end":"2012-12-31","val":307500000,"accn":"0001047469-14-001466","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012Q4I"},{"end":"2013-03-31","val":306800000,"accn":"0001104659-13-039473","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-09","frame":"CY2013Q1I"},{"end":"2013-06-30","val":306300000,"accn":"0001104659-13-061469","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-29","val":306200000,"accn":"0001104659-13-081632","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":305500000,"accn":"0001047469-14-001466","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27"},{"end":"2013-12-31","val":305500000,"accn":"0001104659-14-036517","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-08"},{"end":"2013-12-31","val":305500000,"accn":"0001104659-14-057537","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":305500000,"accn":"0001104659-14-076471","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-04"},{"end":"2013-12-31","val":305500000,"accn":"0001047469-15-001296","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-26","frame":"CY2013Q4I"},{"end":"2014-03-30","val":305100000,"accn":"0001104659-14-036517","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-08","frame":"CY2014Q1I"},{"end":"2014-06-29","val":304500000,"accn":"0001104659-14-057537","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-28","val":303700000,"accn":"0001104659-14-076471","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-04","frame":"CY2014Q3I"},{"end":"2014-12-31","val":577800000,"accn":"0001047469-15-001296","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-26"},{"end":"2014-12-31","val":577800000,"accn":"0001104659-15-034658","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-06"},{"end":"2014-12-31","val":577800000,"accn":"0001104659-15-056446","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05"},{"end":"2014-12-31","val":577800000,"accn":"0001104659-15-075554","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04"},{"end":"2014-12-31","val":577800000,"accn":"0001047469-16-010540","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29","frame":"CY2014Q4I"},{"end":"2015-03-29","val":577200000,"accn":"0001104659-15-034658","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-06","frame":"CY2015Q1I"},{"end":"2015-06-28","val":351900000,"accn":"0001104659-15-056446","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05","frame":"CY2015Q2I"},{"end":"2015-09-27","val":351600000,"accn":"0001104659-15-075554","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04","frame":"CY2015Q3I"},{"end":"2015-12-31","val":576200000,"accn":"0001047469-16-010540","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-29"},{"end":"2015-12-31","val":574200000,"accn":"0001104659-16-119949","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-11"},{"end":"2015-12-31","val":574200000,"accn":"0001104659-16-138272","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":574200000,"accn":"0001104659-16-155365","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-08"},{"end":"2015-12-31","val":574200000,"accn":"0001558370-17-000970","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24","frame":"CY2015Q4I"},{"end":"2016-04-03","val":597100000,"accn":"0001104659-16-119949","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-11","frame":"CY2016Q1I"},{"end":"2016-07-03","val":601500000,"accn":"0001104659-16-138272","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-10-02","val":601600000,"accn":"0001104659-16-155365","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-08","frame":"CY2016Q3I"},{"end":"2016-12-31","val":511300000,"accn":"0001558370-17-000970","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-24"},{"end":"2016-12-31","val":511300000,"accn":"0001558370-17-003963","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"end":"2016-12-31","val":511300000,"accn":"0001558370-17-006088","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-07"},{"end":"2016-12-31","val":511300000,"accn":"0001558370-17-008196","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06"},{"end":"2016-12-31","val":511300000,"accn":"0001558370-18-001010","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-23","frame":"CY2016Q4I"},{"end":"2017-04-02","val":505800000,"accn":"0001558370-17-003963","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2017Q1I"},{"end":"2017-07-02","val":510400000,"accn":"0001558370-17-006088","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-07","frame":"CY2017Q2I"},{"end":"2017-10-01","val":500600000,"accn":"0001558370-17-008196","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2017Q3I"},{"end":"2017-12-31","val":474600000,"accn":"0001558370-18-001010","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-23"},{"end":"2017-12-31","val":474600000,"accn":"0001558370-18-004234","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-08"},{"end":"2017-12-31","val":474600000,"accn":"0001558370-18-006178","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-02"},{"end":"2017-12-31","val":474600000,"accn":"0001558370-18-008440","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-05"},{"end":"2017-12-31","val":474600000,"accn":"0001558370-19-000893","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-22","frame":"CY2017Q4I"},{"end":"2018-04-01","val":424100000,"accn":"0001558370-18-004234","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-08","frame":"CY2018Q1I"},{"end":"2018-07-01","val":383000000,"accn":"0001558370-18-006178","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-02","frame":"CY2018Q2I"},{"end":"2018-09-30","val":350700000,"accn":"0001558370-18-008440","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-05","frame":"CY2018Q3I"},{"end":"2018-12-31","val":323400000,"accn":"0001558370-19-000893","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-22"},{"end":"2018-12-31","val":323400000,"accn":"0001558370-19-003929","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-03"},{"end":"2018-12-31","val":323400000,"accn":"0001558370-19-006751","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-01"},{"end":"2018-12-31","val":323400000,"accn":"0001558370-19-009525","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-31"},{"end":"2018-12-31","val":323400000,"accn":"0001558370-20-001062","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-20","frame":"CY2018Q4I"},{"end":"2019-03-31","val":341100000,"accn":"0001558370-19-003929","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-03","frame":"CY2019Q1I"},{"end":"2019-06-30","val":238800000,"accn":"0001558370-19-006751","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-01","frame":"CY2019Q2I"},{"end":"2019-09-29","val":238500000,"accn":"0001558370-19-009525","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-31","frame":"CY2019Q3I"},{"end":"2019-12-31","val":204200000,"accn":"0001558370-20-001062","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-20"},{"end":"2019-12-31","val":204200000,"accn":"0001558370-20-005600","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"end":"2019-12-31","val":204200000,"accn":"0001558370-20-009084","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-04"},{"end":"2019-12-31","val":204200000,"accn":"0001558370-20-012741","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"end":"2019-12-31","val":204200000,"accn":"0001558370-21-001199","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-18","frame":"CY2019Q4I"},{"end":"2020-03-29","val":296900000,"accn":"0001558370-20-005600","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2020Q1I"},{"end":"2020-06-28","val":262500000,"accn":"0001558370-20-009084","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-04","frame":"CY2020Q2I"},{"end":"2020-09-27","val":247900000,"accn":"0001558370-20-012741","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2020Q3I"},{"end":"2020-12-31","val":198200000,"accn":"0001558370-21-001199","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-18"},{"end":"2020-12-31","val":198200000,"accn":"0001558370-21-005827","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05"},{"end":"2020-12-31","val":198200000,"accn":"0001558370-21-010451","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"end":"2020-12-31","val":198200000,"accn":"0001558370-21-014487","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"end":"2020-12-31","val":198200000,"accn":"0001558370-22-001530","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-22","frame":"CY2020Q4I"},{"end":"2021-03-28","val":198600000,"accn":"0001558370-21-005827","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-05","frame":"CY2021Q1I"},{"end":"2021-06-27","val":191500000,"accn":"0001558370-21-010451","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2I"},{"end":"2021-09-26","val":151700000,"accn":"0001558370-21-014487","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3I"},{"end":"2021-12-31","val":141900000,"accn":"0001558370-22-001530","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-22"},{"end":"2021-12-31","val":141900000,"accn":"0001558370-22-006977","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-04"},{"end":"2021-12-31","val":141900000,"accn":"0001558370-22-012100","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2021-12-31","val":141900000,"accn":"0001558370-22-016170","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"end":"2021-12-31","val":141900000,"accn":"0001558370-23-001614","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-21","frame":"CY2021Q4I"},{"end":"2022-03-27","val":202000000,"accn":"0001558370-22-006977","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-04","frame":"CY2022Q1I"},{"end":"2022-06-26","val":202200000,"accn":"0001558370-22-012100","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04","frame":"CY2022Q2I"},{"end":"2022-09-25","val":182400000,"accn":"0001558370-22-016170","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03","frame":"CY2022Q3I"},{"end":"2022-12-31","val":147600000,"accn":"0001558370-23-001614","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-21"},{"end":"2022-12-31","val":147600000,"accn":"0001558370-23-008011","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-04"},{"end":"2022-12-31","val":147600000,"accn":"0001558370-23-013101","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-03"},{"end":"2022-12-31","val":147600000,"accn":"0001558370-23-017345","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-02"},{"end":"2022-12-31","val":147600000,"accn":"0001558370-24-001444","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-21","frame":"CY2022Q4I"},{"end":"2023-03-26","val":147800000,"accn":"0001558370-23-008011","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-04","frame":"CY2023Q1I"},{"end":"2023-06-25","val":98000000,"accn":"0001558370-23-013101","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-03","frame":"CY2023Q2I"},{"end":"2023-09-24","val":98200000,"accn":"0001558370-23-017345","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-02","frame":"CY2023Q3I"},{"end":"2023-12-31","val":298300000,"accn":"0001558370-24-001444","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-21"},{"end":"2023-12-31","val":298300000,"accn":"0001558370-24-007502","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-09"},{"end":"2023-12-31","val":298300000,"accn":"0001558370-24-011496","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"end":"2023-12-31","val":298300000,"accn":"0001558370-24-014022","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-31"},{"end":"2023-12-31","val":298300000,"accn":"0001558370-25-001102","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-18","frame":"CY2023Q4I"},{"end":"2024-03-31","val":283500000,"accn":"0001558370-24-007502","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-09","frame":"CY2024Q1I"},{"end":"2024-06-30","val":258700000,"accn":"0001558370-24-011496","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08","frame":"CY2024Q2I"},{"end":"2024-09-29","val":211800000,"accn":"0001558370-24-014022","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-31","frame":"CY2024Q3I"},{"end":"2024-12-31","val":197000000,"accn":"0001558370-25-001102","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-18"},{"end":"2024-12-31","val":197000000,"accn":"0001558370-25-006887","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-08"},{"end":"2024-12-31","val":197000000,"accn":"0001558370-25-010686","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"end":"2024-12-31","val":197000000,"accn":"0001104659-25-107489","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-06"},{"end":"2024-12-31","val":197000000,"accn":"0001104659-26-018541","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-23","frame":"CY2024Q4I"},{"end":"2025-03-30","val":197200000,"accn":"0001558370-25-006887","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-08","frame":"CY2025Q1I"},{"end":"2025-06-29","val":197300000,"accn":"0001558370-25-010686","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07","frame":"CY2025Q2I"},{"end":"2025-09-28","val":197500000,"accn":"0001104659-25-107489","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-06","frame":"CY2025Q3I"},{"end":"2025-12-31","val":197700000,"accn":"0001104659-26-018541","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-23"},{"end":"2025-12-31","val":197700000,"accn":"0001104659-26-056817","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07"},{"end":"2025-12-31","val":197700000,"accn":"0001104659-26-091726","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-06","frame":"CY2025Q4I"},{"end":"2026-03-29","val":197800000,"accn":"0001104659-26-056817","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2026Q1I"},{"end":"2026-06-28","val":108000000,"accn":"0001104659-26-091726","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-06","frame":"CY2026Q2I"}]}}