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Debt (Additional Information) (Detail)
$ in Thousands
Mar. 31, 2018
USD ($)
Revolving Loan Facility  
Debt Instrument [Line Items]  
Remaining capacity $ 538,915
Maximum borrowing capacity under revolving credit facility 1,000,000
Trade letters of credit issued 4,085
European Revolving Loan Facility  
Debt Instrument [Line Items]  
Remaining capacity 0
Australian Revolving Facility  
Debt Instrument [Line Items]  
Remaining capacity 49,805
Accounts Receivable Securitization Facility  
Debt Instrument [Line Items]  
Remaining capacity 42,919
Other International Debt  
Debt Instrument [Line Items]  
Remaining capacity $ 111,713