XML 57 R47.htm IDEA: XBRL DOCUMENT v3.21.2
Goodwill and Identifiable Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Dec. 31, 2020
Goodwill and Identifiable Intangible Assets [Line Items]        
Goodwill [1]     $ 2,470.6 $ 2,394.8
Net identifiable intangible assets     1,420.6 1,420.3
Increase in gross identifiable intangible assets     35.6  
Gross Carrying Amounts, Indefinite-lived tradenames     713.6 711.0
Plumbing [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Goodwill [1]     $ 819.1 750.1
Plumbing [Member] | COVID-19 [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Amortizable identifiable intangible assets, estimated useful life     30 years  
Impairment of intangible assets, trade names $ 13.0      
Cabinets [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Goodwill [1]     $ 927.7 926.1
Cabinets [Member] | Tradename [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Gross Carrying Amounts, Indefinite-lived tradenames     $ 29.1  
Cabinets [Member] | Four Tradenames [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Gross Carrying Amounts, Indefinite-lived tradenames       $ 180.6
Estimated fair value less than carrying amount       30.00%
Cabinets [Member] | COVID-19 [Member] | Tradename [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Impairment of intangible assets, trade names   $ 9.5    
Tradenames and Customer Relationship [Member] | Minimum [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Amortizable identifiable intangible assets, estimated useful life     2 years  
Tradenames and Customer Relationship [Member] | Maximum [Member]        
Goodwill and Identifiable Intangible Assets [Line Items]        
Amortizable identifiable intangible assets, estimated useful life     30 years  
[1] Net of accumulated impairment losses of $399.5 million in the Outdoors & Security segment.