Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Self-Insurance) - Additional Information (Detail)

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Commitments and Contingencies (Self-Insurance) - Additional Information (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Commitment And Contingencies [Line Items]    
Insurance and other non-current liabilities $ 262,482 $ 259,733
Insurance Claims [Member]    
Commitment And Contingencies [Line Items]    
Gross amount accrued for insurance claims 220,000 218,200
Insurance and other non-current liabilities 162,100 162,000
Related insurance recoveries/receivables 8,100 8,700
Related insurance recoveries/receivables included in prepaid expenses and other current assets 400 400
Related insurance recoveries/receivables included in other assets net $ 7,700 $ 8,300