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Financing Arrangements - Long-term Debt Instruments (Detail) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
May 31, 2021
Debt Instrument [Line Items]        
Borrowings under revolving lines of credit/term loans, net $ 461.3 $ 0.0 $ 0.0  
Long-term borrowings under senior notes 643.7 643.1 642.5  
Long-term debt, net 1,609.6 1,612.9 1,616.1  
Equipment financing facilities [1]     0.4  
2026 Senior Notes        
Debt Instrument [Line Items]        
Senior notes [2] 297.1 296.8 296.4  
2029 Senior Notes        
Debt Instrument [Line Items]        
Senior notes 346.6 [3] 346.3 [2] 346.1  
Equipment Financing Facilities        
Debt Instrument [Line Items]        
Current portion     (0.4)  
Revolving Lines of Credit        
Debt Instrument [Line Items]        
Borrowings under revolving lines of credit/term loans, net 461.3      
Revolving Lines of Credit | 2026 Revolver | U.S.        
Debt Instrument [Line Items]        
Total borrowings under revolving lines of credit/term loans [4] 455.1      
Revolving Lines of Credit | 2026 Revolver | Canada        
Debt Instrument [Line Items]        
Total borrowings under revolving lines of credit/term loans 6.2      
Term Loan        
Debt Instrument [Line Items]        
Borrowings under revolving lines of credit/term loans, net 965.9 969.8 973.6  
Current portion (10.0) (10.0) (10.0)  
Term Loan | 2028 Term Loan        
Debt Instrument [Line Items]        
Total borrowings under revolving lines of credit/term loans $ 975.9 [5] $ 979.8 [5] $ 983.6 [5] $ 1,000.0
[1] Fixed interest rates ranging from 2.33% to 2.89% as of June 30, 2021.
[2] Interest rate of 4.50% for all periods presented.
[3] Interest rate of 4.125% for all periods presented.
[4] Effective rate on borrowings of 2.48% as of June 30, 2022.2.Effective rate on borrowings of 3.95% as of June 30, 2022.
[5] Interest rate of 3.31%, 2.34% and 2.59% as of June 30, 2022, December 31, 2021 and June 30, 2021, respectively.