Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	$ 9	$ 13
Assets, Fair Value Disclosure	9	13
Foreign Currency Contracts, Liability, Fair Value Disclosure	45	394
Accrued Liabilities, Fair Value Disclosure	1,735	2,289
Liabilities, Fair Value Disclosure	1,780	2,683
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	9	13
Assets, Fair Value Disclosure	9	13
Foreign Currency Contracts, Liability, Fair Value Disclosure	45	394
Accrued Liabilities, Fair Value Disclosure	0	0
Liabilities, Fair Value Disclosure	45	394
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Assets, Fair Value Disclosure	0	0
Foreign Currency Contracts, Liability, Fair Value Disclosure	0	0
Accrued Liabilities, Fair Value Disclosure	1,735	2,289
Liabilities, Fair Value Disclosure	$ 1,735	$ 2,289