| Fiscal period | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|
| Period End Date | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
|---|
| Net Sales | 2,252.20 | 2,056.30 | 1,979.50 | 1,809.20 | 1,508.60 | 1,600.50 | 1,564.90 | 1,456.70 | 1,398.40 | 1,467.70 |
| Total Revenues | 2,252.20 | 2,056.30 | 1,979.50 | -- | 1,508.60 | 1,600.50 | 1,564.90 | 1,456.70 | 1,398.40 | 1,467.70 |
| Cost of goods sold | 1,190.20 | 1,095.40 | 1,105.20 | 1,042.10 | 883.20 | 923.00 | 908.40 | 854.30 | 832.80 | 914.60 |
| Gross Profit | 1,062.00 | 960.90 | 874.30 | 767.10 | 625.40 | 677.50 | 656.50 | 602.40 | 565.60 | 553.10 |
| Goodwill impairment charge | -- | -- | -- | -- | -- | -- | -- | 1.00 | 0.50 | 130.50 |
| Selling, general and administrative expenses | 664.40 | 604.50 | 550.50 | 508.20 | 432.40 | 476.10 | 464.70 | 432.30 | 424.10 | 491.30 |
| Restructuring and other charges | 7.20 | 5.50 | 10.60 | 19.30 | 9.90 | 4.30 | 3.40 | 6.80 | 4.70 | 21.40 |
| Gain on sale of asset | -- | -- | 1.80 | -- | -- | -- | -- | -- | -- | -- |
| Gain on disposal of business | -- | -- | -- | -- | (0.60) | -- | -- | -- | 8.70 | -- |
| Other long-lived asset impairment charge | -- | -- | -- | -- | (1.40) | -- | -- | -- | -- | -- |
| Total Operating Expenses | 671.60 | 610.00 | 559.30 | 527.50 | 444.30 | 480.40 | 468.10 | 440.10 | 420.60 | (90.10) |
| Operating Income (Loss) | 390.40 | 350.90 | 315.00 | 239.60 | 181.10 | 197.10 | 188.40 | 162.30 | 145.00 | -- |
| Interest expense | 14.70 | 8.20 | 7.00 | 6.30 | 13.30 | 14.10 | 16.30 | 19.10 | 22.60 | 24.30 |
| Minority interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | 8.90 | 7.20 | 0.60 | 0.00 | 0.20 | 0.40 | 0.80 | 1.00 | 1.00 | 1.00 |
| Other | 1.40 | (0.40) | (1.00) | 0.80 | (1.00) | 0.50 | 1.70 | (1.10) | 4.40 | 2.40 |
| Total other expense (Non-operating) | 4.40 | 1.40 | 7.40 | 5.50 | 14.10 | 13.20 | 13.80 | 19.20 | 17.20 | 20.90 |
| INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES AND NONCONTROLLING INTEREST | 386.00 | 349.50 | 307.60 | 234.10 | 167.00 | 183.90 | 174.60 | 143.10 | 127.80 | (111.00) |
| Provision for income taxes | 94.80 | 87.40 | 56.10 | 68.40 | 52.70 | 52.40 | 46.60 | 70.00 | 43.60 | 1.90 |
| Current tax expense:Foreign | 31.90 | 35.60 | 23.20 | 30.30 | 25.30 | 25.50 | 29.00 | 17.30 | 17.20 | -- |
| Deferred tax expense (benefit):Foreign | (1.20) | 0.20 | (13.70) | (2.40) | (6.70) | (2.10) | (7.70) | 8.50 | 0.60 | -- |
| Current tax expense:Federal | 62.50 | 54.60 | 51.00 | 32.00 | 13.40 | 18.70 | 24.70 | 42.10 | 18.30 | -- |
| Current tax expense:State | 15.30 | 15.80 | 11.50 | 14.40 | 6.90 | 6.40 | 7.70 | 4.20 | 3.90 | -- |
| Deferred tax expense (benefit):Federal | (11.80) | (14.70) | (12.10) | (4.80) | 14.80 | 2.50 | (3.20) | 4.00 | 3.60 | -- |
| Deferred tax expense (benefit):State | (1.90) | (4.10) | (3.80) | (1.10) | (1.00) | 1.40 | (1.90) | 5.90 | 0.00 | -- |
| Deferred tax remeasurement of the 2017 Tax Act | -- | -- | -- | -- | -- | -- | (2.00) | (12.00) | -- | -- |
| Income from Continuing Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | (112.90) |
| Loss from discontinued operations, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income before noncontrolling interest | 291.20 | 262.10 | 251.50 | 165.70 | 114.30 | 131.50 | 128.00 | 73.10 | 84.20 | -- |
| Plus: Net loss attributable to the noncontrolling interest | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| NET INCOME ATTRIBUTABLE TO WATTS WATER TECHNOLOGIES, INC | 291.20 | 262.10 | 251.50 | 165.70 | 114.30 | 131.50 | 128.00 | 73.10 | 84.20 | (112.90) |
| Earnings Per Share (Basic) - Cont Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | (3.24) |
| EPS (Basic) : Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Basic EPS | 8.70 | 7.85 | 7.51 | 4.90 | 3.37 | 3.86 | 3.73 | 2.12 | 2.45 | (3.24) |
| Earnings Per Share (Diluted) - Cont Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | (3.24) |
| Earnings Per Share (Diluted) - Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Diluted EPS | 8.69 | 7.82 | 7.48 | 4.88 | 3.36 | 3.85 | 3.73 | 2.12 | 2.44 | (3.24) |
| Weighted average number of shares:Basic | 33.50 | 33.40 | 33.50 | 33.80 | 33.90 | 34.10 | 34.30 | 34.40 | 34.40 | 34.90 |
| Weighted average number of shares:Diluted | 33.50 | 33.50 | 33.60 | 33.90 | 34.00 | 34.20 | 34.30 | 34.40 | 34.50 | 34.90 |