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Derivative Financial Instruments - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Aug. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
Derivative
Dec. 31, 2015
USD ($)
Counterparty
Dec. 31, 2014
USD ($)
Aug. 13, 2015
Jul. 31, 2015
USD ($)
Swap
Mar. 31, 2011
USD ($)
Swap
Derivative [Line Items]              
Derivative notional amount             $ 400,000,000
Number of interest rate swap agreements entered | Swap             5
Interest rate swaps reclassified to interest expense   $ 144,851,000 $ 118,880,000 $ 112,035,000      
Unrealized losses on interest rate swaps and interest rate caps, net of tax   (1,431,000) (4,107,000) (5,927,000)      
Reclassification out of accumulated other comprehensive income [Member]              
Derivative [Line Items]              
Ineffectiveness of significant hedge   0 0 0      
Amount to be reclassified to interest expense   7,800,000          
Reclassification out of accumulated other comprehensive income [Member] | Accumulated net gain (loss) from designated or qualifying cash flow hedges [Member]              
Derivative [Line Items]              
Interest rate swaps reclassified to interest expense   $ 10,700,000 $ 11,900,000 12,000,000      
4.875% Senior Notes [Member]              
Derivative [Line Items]              
Interest rate of long-term debt   4.875% 4.875%   4.875%    
4.875% Senior Notes [Member] | Senior Notes [Member]              
Derivative [Line Items]              
Interest rate of long-term debt   4.875% 4.875%   4.875%    
Interest rate swap agreement expiring on October 2017 [Member]              
Derivative [Line Items]              
Derivative notional amount             $ 200,000,000
Interest rate swap, expiration date   2017-10          
Interest rate swap agreement expiring on September 2019 [Member]              
Derivative [Line Items]              
Derivative notional amount             $ 200,000,000
Interest rate swap agreement expiring on September 2019 [Member] | Reclassification out of accumulated other comprehensive income [Member] | Accumulated net gain (loss) from designated or qualifying cash flow hedges [Member]              
Derivative [Line Items]              
Interest rate swap, expiration date   2019-09          
Interest rate swaps [Member]              
Derivative [Line Items]              
Unrealized losses on interest rate swaps and interest rate caps, net of tax   $ 2,400,000 $ 6,500,000 9,900,000      
Fair value of interest rate swap reflected as liability   13,200,000 21,500,000        
Foreign currency exchange forward contracts [Member]              
Derivative [Line Items]              
Net gains on foreign currency exchange   $ 7,700,000 $ 24,200,000 $ 5,300,000      
Number of foreign currency exchange forward contracts outstanding | Derivative   0          
Number of counterparties aggregated | Counterparty     6        
Fair value of forward contracts in asset position     $ 8,900,000        
Number of counterparties aggregated | Counterparty     2        
Fair value of forward contracts in liability position     $ 1,100,000        
Interest rate swap agreements effective August 2015 [Member]              
Derivative [Line Items]              
Derivative notional amount           $ 300,000,000  
Number of interest rate swap agreements entered | Swap           3  
Ineffectiveness of significant hedge   $ 0 0        
Cash settlement for termination of interest rate swap agreements $ 6,200,000            
Interest rate swap agreements effective August 2015 [Member] | Reclassification out of accumulated other comprehensive income [Member]              
Derivative [Line Items]              
Amount to be reclassified to interest expense   600,000          
Interest rate swap agreements effective August 2015 [Member] | Reclassification out of accumulated other comprehensive income [Member] | Accumulated net gain (loss) from designated or qualifying cash flow hedges [Member]              
Derivative [Line Items]              
Interest rate swaps reclassified to interest expense   $ 600,000 $ 200,000