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Acquisitions and Dispositions - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2020
Jan. 31, 2020
Sep. 30, 2018
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2019
Business Acquisition [Line Items]            
Business combination purchase price, net of cash acquired       $ 715.2 $ 465.6  
LARSON [Member]            
Business Acquisition [Line Items]            
Percentage of voting interests of investee to exercise significant influence 100.00%     100.00%    
Business combination purchase price, net of cash acquired $ 715.2          
Business acquisition, transaction costs 4.5     $ 4.5    
Business acquisition, goodwill, expected tax deductible amount $ 290.0     $ 290.0    
Finite-lived intangible assets, amortization method       Customer and contractual relationships and proprietary technology are amortized on a straight-line basis over their useful lives.    
Business acquisition, percentage of outstanding equity acquired 100.00%          
LARSON [Member] | Tradename [Member]            
Business Acquisition [Line Items]            
Indefinite-lived intangible asset $ 111.0     $ 111.0    
LARSON [Member] | Customer Relationships [Member]            
Business Acquisition [Line Items]            
Finite-lived intangible assets $ 168.0     168.0    
Useful life of intangible asset 13 years          
LARSON [Member] | Proprietary Technology [Member]            
Business Acquisition [Line Items]            
Finite-lived intangible assets $ 34.0     $ 34.0    
Useful life of intangible asset 7 years          
Flo Technologies, Inc. [Member]            
Business Acquisition [Line Items]            
Percentage of outstanding shares to be acquired   100.00%        
Business acquisition, shares acquired in cash   $ 44.2        
Percentage of outstanding shares acquired 80.00%     80.00%    
Other income related to remeasurement of previously existing investment       $ 6.6    
Substantive participating rights expiration date       Jan. 01, 2021    
Second phase of substantive participating rights scheduled to occur       first quarter of 2022    
Carrying value of investment $ 76.2     $ 76.2   $ 25.7
Flo Technologies, Inc. [Member] | Other Income [Member]            
Business Acquisition [Line Items]            
Non cash gain on forward contract       $ 4.4    
Flo Technologies, Inc. [Member] | Other Assets [Member]            
Business Acquisition [Line Items]            
Business combination remaining shares to be exchanged for additional cash in future   $ 7.9        
Fiberon [Member]            
Business Acquisition [Line Items]            
Business acquisition consideration price paid     $ 470.0      
Business acquisition, percentage of outstanding equity acquired     100.00%