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Goodwill and Identifiable Intangible Assets - Change in Net Carrying Amount of Goodwill by Segment (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2022
USD ($)
Goodwill [Line Items]  
Beginning Balance $ 2,465.1 [1]
Translation adjustments (27.2)
Acquisition-related adjustments 108.3
Ending Balance 2,546.2 [1]
Water Innovations [Member]  
Goodwill [Line Items]  
Beginning Balance 814.1 [1]
Translation adjustments (24.5)
Acquisition-related adjustments 87.3
Ending Balance 876.9 [1]
Outdoors & Security [Member]  
Goodwill [Line Items]  
Beginning Balance 724.8 [1]
Translation adjustments (0.8)
Acquisition-related adjustments 21.0
Ending Balance 745.0 [1]
Cabinets [Member]  
Goodwill [Line Items]  
Beginning Balance 926.2 [1]
Translation adjustments (1.9)
Acquisition-related adjustments 0.0
Ending Balance $ 924.3 [1]
[1] Net of accumulated impairment losses of $399.5 million in the Outdoors & Security segment.