Financial Instruments - Additional Information (Detail)
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12 Months Ended |
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Dec. 31, 2016
USD ($)
DerivativeContract
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Dec. 31, 2015
USD ($)
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| Term Loan |
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| Financial Instrument At Fair Value [Line Items] |
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| Debt instrument base principal amount |
$ 1,000
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| Debt instrument estimated market price per $1000 principal amount |
$ 983
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| Accounts Payable and Accrued Liabilities |
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| Financial Instrument At Fair Value [Line Items] |
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| Estimated fair value of currency forward contracts recognized as part of accounts payable and accrued liabilities |
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$ 1,200,000
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| Currency Forward Contracts |
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| Financial Instrument At Fair Value [Line Items] |
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| Number of derivative contacts outstanding | DerivativeContract |
0
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| Interest Rate Swap |
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| Financial Instrument At Fair Value [Line Items] |
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| Gain loss recognized in earnings on hedge ineffectiveness |
$ 0
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| Pretax unrealized loss recognized in other comprehensive income related to interest rate swap contract |
3,100,000
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4,400,000
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| Reclassified from accumulated other comprehensive income in to earnings (interest expense) |
3,500,000
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900,000
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| Pre-tax amount of accumulated other comprehensive income expected to be reclassified to earnings during next twelve months |
3,500,000
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| Fair value of interest rate swap contract |
$ 3,100,000
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3,500,000
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| Interest Rate Swap | London Interbank Offered Rate (LIBOR) |
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| Financial Instrument At Fair Value [Line Items] |
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| Derivative, type of instrument |
pay-fixed/receive-variable interest rate swap
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| Interest rate swap, type of interest rate |
fixed
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| Interest rate swap, fixed rate |
2.016%
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| Interest rate swap, floor rate |
1.00%
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| Interest rate swap, effective date |
Sep. 30, 2015
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| Derivative instrument, notional amount |
$ 340,400,000
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344,800,000
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| Interest rate swap, notional amount decline each quarter |
$ 875,000
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| Interest rate swap, notional amount decline commencing date |
Dec. 31, 2015
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| Interest rate swap, final maturity date |
Feb. 29, 2020
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| Interest Rate Swap | Accounts Payable and Accrued Liabilities |
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| Financial Instrument At Fair Value [Line Items] |
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| Fair value of interest rate swap contract, current |
$ 2,900,000
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3,300,000
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| Interest Rate Swap | Other Noncurrent Liabilities |
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| Financial Instrument At Fair Value [Line Items] |
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| Fair value of interest rate swap contract, noncurrent |
$ 200,000
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$ 200,000
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