Derivatives - Contracts Held (Details) (Not designated as hedging instrument, Foreign currency exchange futures contracts, USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Euro
Derivative [Line Items]
Notional Value	$ 5,000,000		$ 11,000,000
Forward Rate	1.245		1.3782
Gain/(Loss) Recorded at Balance Sheet Date	140,000	[1]	(2,000)	[1]
Chinese Yuan Renminbi
Derivative [Line Items]
Notional Value	20,000,000		15,000,000
Forward Rate	6.2757		6.2047
Gain/(Loss) Recorded at Balance Sheet Date	174,000	[1]	358,000	[1]
Brazilian Real | Future Contract 1
Derivative [Line Items]
Notional Value	5,000,000		3,000,000
Forward Rate	2.3401		2.3442
Gain/(Loss) Recorded at Balance Sheet Date	609,000	[1]	34,000	[1]
Brazilian Real | Future Contract 2
Derivative [Line Items]
Notional Value	2,500,000		2,000,000
Forward Rate	2.54420		2.2301
Gain/(Loss) Recorded at Balance Sheet Date	$ (113,000)	[1]	$ 119,000	[1]

[1] Gains on futures contracts are recorded in prepaid expenses and other current assets. Losses on futures contracts are recorded in other accrued expenses.