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Receivables, Net - Receivables, Net (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Trade accounts receivable $ 562.3 $ 531.7    
Notes receivable 6.2 3.7    
Other 21.2 22.9    
Receivables, gross 589.7 558.3    
Less: allowance for doubtful accounts (11.3) (18.3) $ (16.1) $ (15.4)
Receivables, net $ 578.4 $ 540.0