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Revenue Recognition (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2021 USD ($) | Dec. 31, 2021 item | Dec. 31, 2021 segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Disaggregation of Revenue |  |  |  |  |  |
Number of distribution channels | item |  |  | 4 |  |  |
Number of geographic segments |  |  | 3 | 3 |  |
Revenue |  | $ 1,809.2 |  |  | $ 1,508.6 | $ 1,600.5
Minimum |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Period of Business Operations | 140 years |  |  |  |  |
Wholesale |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 1,106.1 |  |  | 912.1 |
OEM |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 283.5 |  |  | 222.3 |
Specialty |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 338.0 |  |  | 290.6 |
DIY |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 81.6 |  |  | 83.6 |
Residential & commercial flow control |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 953.0 |  |  | 786.5 |
HVAC & gas |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 558.5 |  |  | 459.6 |
Drains & water re-use |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 183.4 |  |  | 156.3 |
Water quality |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 114.3 |  |  | 106.2 |
Americas |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 1,207.2 |  |  | 1,025.7 | 1,084.1
Americas | Wholesale |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 694.4 |  |  | 580.3 |
Americas | OEM |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 96.5 |  |  | 75.9 |
Americas | Specialty |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 337.7 |  |  | 288.5 |
Americas | DIY |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 78.6 |  |  | 81.0 |
Americas | Residential & commercial flow control |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 697.4 |  |  | 584.6 |
Americas | HVAC & gas |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 308.6 |  |  | 263.9 |
Americas | Drains & water re-use |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 92.8 |  |  | 75.8 |
Americas | Water quality |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 108.4 |  |  | 101.4 |
Europe |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 517.4 |  |  | 424.9 | 451.0
Europe | Wholesale |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 332.9 |  |  | 279.0 |
Europe | OEM |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 181.5 |  |  | 143.3 |
Europe | DIY |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 3.0 |  |  | 2.6 |
Europe | Residential & commercial flow control |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 188.0 |  |  | 157.8 |
Europe | HVAC & gas |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 237.0 |  |  | 184.0 |
Europe | Drains & water re-use |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 87.8 |  |  | 79.4 |
Europe | Water quality |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 4.6 |  |  | 3.7 |
APMEA |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 84.6 |  |  | 58.0 | $ 65.4
APMEA | Wholesale |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 78.8 |  |  | 52.8 |
APMEA | OEM |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 5.5 |  |  | 3.1 |
APMEA | Specialty |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 0.3 |  |  | 2.1 |
APMEA | Residential & commercial flow control |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 67.6 |  |  | 44.1 |
APMEA | HVAC & gas |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 12.9 |  |  | 11.7 |
APMEA | Drains & water re-use |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | 2.8 |  |  | 1.1 |
APMEA | Water quality |  |  |  |  |  |
Disaggregation of Revenue |  |  |  |  |  |
Revenue |  | $ 1.3 |  |  | $ 1.1 |

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