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Goodwill and Identifiable Intangible Assets - Additional Information (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Goodwill and Identifiable Intangible Assets [Line Items]            
Goodwill [1]     $ 2,090,200,000   $ 2,465,100,000 $ 2,394,800,000
Net identifiable intangible assets         1,383,800,000 1,420,300,000
Increase in gross identifiable intangible assets         27,700,000  
Impairment of intangible assets, trade names         0  
Expected intangible amortization expense in 2022         62,000,000  
Expected intangible amortization expense in 2023         60,000,000  
Expected intangible amortization expense in 2024         60,000,000  
Expected intangible amortization expense in 2025         60,000,000  
Expected intangible amortization expense in 2026         59,000,000  
Gross Carrying Amounts, Indefinite-lived tradenames         711,100,000 711,000,000.0
Tradenames and Customer Relationship [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Net identifiable intangible assets         $ 1,383,800,000 1,420,300,000
Tradenames and Customer Relationship [Member] | Minimum [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Amortizable identifiable intangible assets, estimated useful life         5 years  
Tradenames and Customer Relationship [Member] | Maximum [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Amortizable identifiable intangible assets, estimated useful life         30 years  
Plumbing [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Goodwill [1]     747,300,000   $ 814,100,000 $ 750,100,000
Plumbing [Member] | COVID-19 [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Impairment of intangible assets, trade names $ 13,000,000.0          
Amortizable identifiable intangible assets, estimated useful life           30 years
Cabinets [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Goodwill [1]     925,500,000   926,200,000 $ 926,100,000
Cabinets [Member] | Tradename [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Impairment of intangible assets, trade names     $ 12,000,000.0      
Gross Carrying Amounts, Indefinite-lived tradenames         29,100,000  
Cabinets [Member] | Second Indefinite-Lived Trade Name [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Impairment of intangible assets, trade names       $ 29,500,000    
Gross Carrying Amounts, Indefinite-lived tradenames         $ 85,000,000.0  
Cabinets [Member] | COVID-19 [Member] | Tradename [Member]            
Goodwill and Identifiable Intangible Assets [Line Items]            
Impairment of intangible assets, trade names   $ 9,500,000        
[1] Net of accumulated impairment losses of $399.5 million in the Outdoors & Security segment.