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Acquisitions and Dispositions - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Dec. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Jan. 01, 2021
Business Acquisition [Line Items]        
Business combination purchase price, excluding expected tax benefits, net of cash acquired   $ (5.2)    
Flo Technologies, Inc. [Member]        
Business Acquisition [Line Items]        
Substantive participating rights expiration date   Jan. 01, 2021    
Fair value allocated to assets acquired and liabilities assumed       $ 87.8
Business combination purchase price, excluding expected tax benefits, net of cash acquired   $ 9.7    
Flo Technologies, Inc. [Member] | Other Income/Expenses [Member]        
Business Acquisition [Line Items]        
Non cash gain (loss) on remeasurement of existing investment   $ 4.5 $ 6.6  
Larson [Member]        
Business Acquisition [Line Items]        
Fair value allocated to assets acquired and liabilities assumed [1] $ 717.5      
Business combination purchase price, excluding expected tax benefits, net of cash acquired $ 717.5      
Business acquisition, percentage of outstanding equity acquired 100.00%      
Business acquisition, transaction costs $ 4.5      
Business acquisition, goodwill, expected tax deductible amount 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.    
Larson [Member] | Tradename [Member]        
Business Acquisition [Line Items]        
Indefinite-lived intangible asset 111.0      
Larson [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets $ 168.0      
Useful life of intangible asset 13 years      
Larson [Member] | Proprietary Technology [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets $ 34.0      
Useful life of intangible asset 7 years      
[1] Net assets exclude $0.4 million of cash transferred to the Company as the result of the Larson acquisition.