Financial Derivatives - Derivative Instruments Fair Value (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 10,962	$ 1,489
Derivative Assets		4,060
Derivative Assets	10,962	5,549
Derivative Liabilities	835	1,261
Other Accrued Expenses and Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	835	1,261
Derivatives Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Option Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	10,705	5,034
Derivatives Not Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	257	515
Derivatives Not Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Other Accrued Expenses and Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	439	855
Cash Flow Hedges [Member] \| Derivatives Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Other Current Assets [Member] \| Option Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	544	974
Cash Flow Hedges [Member] \| Derivatives Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Other Accrued Expenses and Current Liabilities [Member] \| Option Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities	396	406
Net Investment Hedges [Member] \| Derivatives Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 10,161
Net Investment Hedges [Member] \| Derivatives Designated as Hedging Instruments under ASC 815 [Member] \| Foreign Currency Forward Contracts [Member] \| Deferred Charges and Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets		$ 4,060

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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