Financial Instruments - Additional Information (Detail)
12 Months Ended
Dec. 31, 2015
USD ($)
CAD / $
Dec. 31, 2014
USD ($)
Derivative [Line Items]    
Currency transaction loss $ 1,200,000 $ 4,200,000
Pretax loss amount recognized in other comprehensive income related to interest rate swap contract 4,400,000  
Reclassified from accumulated other comprehensive income in to earnings 900,000  
Pre-tax amount of accumulated other comprehensive income expected to be reclassified to earnings during next twelve months 3,500,000  
Fair value of interest rate swap contract 3,500,000  
Term Loan    
Derivative [Line Items]    
Debt instrument base principal amount 1,000  
Debt instrument estimated market price per principal amount 900  
Accounts Payable and Accrued Liabilities    
Derivative [Line Items]    
Fair value of interest rate swap contract 3,300,000  
Other Noncurrent Liabilities    
Derivative [Line Items]    
Fair value of interest rate swap contract 200,000  
Currency Forward Contracts    
Derivative [Line Items]    
Estimated fair value of currency forward contracts net liability 1,200,000 4,200,000
Estimated fair value of currency forward contracts included accounts payable and accrued liabilities   $ 4,200,000
Interest Rate Swap    
Derivative [Line Items]    
Gain loss recognized in earnings on hedge ineffectiveness 0  
Interest Rate Swap | London Interbank Offered Rate (LIBOR)    
Derivative [Line Items]    
Derivative instrument, notional amount $ 344,750,000  
Derivative, type of instrument pay-fixed/receive-variable interest rate swap  
Interest rate swap, type of interest rate fixed  
Interest rate swap, fixed rate 2.016%  
Interest rate swap, floor rate 1.00%  
Interest rate swap, effective date Sep. 30, 2015  
Interest rate swap, notional amount decline each quarter $ 875,000  
Interest rate swap, notional amount decline commencing date Dec. 31, 2015  
Interest rate swap, final maturity date Feb. 29, 2020  
Wells Fargo Bank, N.A. | January through July 2016    
Derivative [Line Items]    
Derivative instrument, notional amount $ 17,900,000  
Foreign currency contracts maturing value $ 2,600,000  
U S D | Wells Fargo Bank, N.A. | January through July 2016    
Derivative [Line Items]    
Forward currency contracts, exchange rate | CAD / $ 1.29