Fair value, after offset of derivative liability, of 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative asset, of financial liability or 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Derivatives and Other Financial Instruments - Schedule Of Fair Value And Location Of Hedges In The Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2014
Prepaid And Other [Member]
Derivative [Line Items]
Net derivatives at fair value	$ (181)
Prepaid And Other [Member] \| Foreign Exchange Contracts [Member]
Derivative [Line Items]
Foreign exchange forward contracts in asset positions	44
Foreign exchange forward contracts in liability positions	(225)
Accrued Expenses [Member]
Derivative [Line Items]
Net derivatives at fair value		397
Accrued Expenses [Member] \| Foreign Exchange Contracts [Member]
Derivative [Line Items]
Foreign exchange forward contracts in asset positions		405
Significant Other Observable Inputs (Level 2) [Member] \| Foreign Exchange Forward Contracts [Member]
Derivative [Line Items]
Foreign exchange forward contracts in liability positions		$ (8)