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v3.21.2

Segment Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 27, 2021 USD ($) | Jun. 28, 2020 USD ($) | Jun. 27, 2021 USD ($) | Jun. 27, 2021 USD ($) segment | Jun. 27, 2021 USD ($) item | Jun. 28, 2020 USD ($) | Dec. 31, 2020 USD ($)
Segment information |  |  |  |  |  |  |
Number of geographic segments |  |  |  | 3 | 3 |  |
Net sales | $ 467.0 | $ 338.7 | $ 880.3 |  |  | $ 721.3 |
Operating income | 52.7 | 31.0 | 112.3 |  |  | 78.8 |
Interest income |  | (0.1) |  |  |  | (0.2) |
Interest expense | 1.5 | 4.0 | 3.5 |  |  | 7.0 |
Other expense (income), net | (0.5) | (0.4) | (0.8) |  |  | (0.1) |
INCOME BEFORE INCOME TAXES | 51.7 | 27.5 | 109.6 |  |  | 72.1 |
Capital expenditures | 8.3 | 14.9 | 13.0 |  |  | 23.8 |
Depreciation and amortization | 11.5 | 11.5 | 23.3 |  |  | 22.9 |
Identifiable assets (at end of period) | 1,855.3 | 1,648.3 | 1,855.3 | $ 1,855.3 | $ 1,855.3 | 1,648.3 | $ 1,738.2
Property, plant and equipment, net (at end of period) | 207.0 | 206.9 | 207.0 | 207.0 | 207.0 | 206.9 | $ 212.3
Residential & Commercial Flow Control |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 247.6 | 170.3 | 471.9 |  |  | 368.1 |
HVAC & Gas Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 142.1 | 105.5 | 264.5 |  |  | 219.1 |
Drainage & Water Re-use Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 48.2 | 37.4 | 87.4 |  |  | 79.9 |
Water Quality Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 29.1 | 25.5 | 56.5 |  |  | 54.2 |
U.S. |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 285.0 | 222.6 | 539.4 |  |  | 469.3 |
Reportable segments |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Operating income | 64.9 | 39.5 | 135.2 |  |  | 96.5 |
Corporate |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Operating income | (12.2) | (8.5) | (22.9) |  |  | (17.7) |
Intersegment sales |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 48.1 | 29.2 | 84.5 |  |  | 49.5 |
Americas |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 307.1 | 237.4 | 579.9 |  |  | 499.8 |
Capital expenditures | 4.8 | 11.1 | 7.2 |  |  | 17.7 |
Depreciation and amortization | 7.4 | 7.5 | 15.1 |  |  | 14.9 |
Identifiable assets (at end of period) | 1,127.2 | 1,079.0 | 1,127.2 | 1,127.2 | 1,127.2 | 1,079.0 |
Property, plant and equipment, net (at end of period) | 120.6 | 123.9 | 120.6 | 120.6 | 120.6 | 123.9 |
Americas | Residential & Commercial Flow Control |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 177.2 | 130.7 | 339.5 |  |  | 279.4 |
Americas | HVAC & Gas Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 77.6 | 63.0 | 143.5 |  |  | 130.6 |
Americas | Drainage & Water Re-use Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 25.2 | 19.3 | 43.8 |  |  | 37.8 |
Americas | Water Quality Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 27.1 | 24.4 | 53.1 |  |  | 52.0 |
Americas | U.S. |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Property, plant and equipment, net (at end of period) | 116.0 | 120.0 | 116.0 | 116.0 | 116.0 | 120.0 |
Americas | Reportable segments |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Operating income | 55.2 | 29.5 | 103.7 |  |  | 72.9 |
Americas | Intersegment sales |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 2.5 | 2.9 | 4.9 |  |  | 5.5 |
Europe |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 136.8 | 88.1 | 259.7 |  |  | 198.3 |
Capital expenditures | 2.9 | 3.8 | 5.2 |  |  | 6.0 |
Depreciation and amortization | 3.0 | 3.5 | 6.3 |  |  | 6.9 |
Identifiable assets (at end of period) | 586.7 | 479.7 | 586.7 | 586.7 | 586.7 | 479.7 |
Property, plant and equipment, net (at end of period) | 81.5 | 77.8 | 81.5 | 81.5 | 81.5 | 77.8 |
Europe | Residential & Commercial Flow Control |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 51.8 | 30.7 | 99.1 |  |  | 71.7 |
Europe | HVAC & Gas Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 60.9 | 38.5 | 115.1 |  |  | 82.9 |
Europe | Drainage & Water Re-use Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 22.5 | 18.1 | 42.7 |  |  | 42.0 |
Europe | Water Quality Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 1.6 | 0.8 | 2.8 |  |  | 1.7 |
Europe | Reportable segments |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Operating income | 5.4 | 9.2 | 24.9 |  |  | 22.9 |
Europe | Intersegment sales |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 8.5 | 5.3 | 16.2 |  |  | 9.5 |
APMEA |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 23.1 | 13.2 | 40.7 |  |  | 23.2 |
Capital expenditures | 0.6 |  | 0.6 |  |  | 0.1 |
Depreciation and amortization | 1.1 | 0.5 | 1.9 |  |  | 1.1 |
Identifiable assets (at end of period) | 141.4 | 89.6 | 141.4 | 141.4 | 141.4 | 89.6 |
Property, plant and equipment, net (at end of period) | 4.9 | 5.2 | 4.9 | $ 4.9 | $ 4.9 | 5.2 |
APMEA | Residential & Commercial Flow Control |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 18.6 | 8.9 | 33.3 |  |  | 17.0 |
APMEA | HVAC & Gas Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 3.6 | 4.0 | 5.9 |  |  | 5.6 |
APMEA | Drainage & Water Re-use Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 0.5 |  | 0.9 |  |  | 0.1 |
APMEA | Water Quality Products |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | 0.4 | 0.3 | 0.6 |  |  | 0.5 |
APMEA | Reportable segments |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Operating income | 4.3 | 0.8 | 6.6 |  |  | 0.7 |
APMEA | Intersegment sales |  |  |  |  |  |  |
Segment information |  |  |  |  |  |  |
Net sales | $ 37.1 | $ 21.0 | $ 63.4 |  |  | $ 34.5 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=wts_HVACAndGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |