Derivatives - Contracts Held (Details) (Not Designated as Hedging Instrument [Member], Foreign Exchange Forward [Member], USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015		Dec. 31, 2014
Euro
Derivative [Line Items]
Notional Value	$ 5,000,000		$ 5,000,000
Forward Rate	1.09890		1.245
Gain/(Loss) Recorded at Balance Sheet Date	110,000	[1]	140,000	[1]
Chinese Yuan Renminbi
Derivative [Line Items]
Notional Value	22,500,000		20,000,000
Forward Rate	6.2645		6.2757
Gain/(Loss) Recorded at Balance Sheet Date	(57,000)	[1]	174,000	[1]
Future Contract One [Member] | Brazil, Brazil Real
Derivative [Line Items]
Notional Value	2,500,000		5,000,000
Forward Rate	2.769		2.3401
Gain/(Loss) Recorded at Balance Sheet Date	407,000	[1]	609,000	[1]
Future Contract Two [Member] | Brazil, Brazil Real
Derivative [Line Items]
Notional Value			2,500,000
Forward Rate			2.5442
Gain/(Loss) Recorded at Balance Sheet Date			$ (113,000)	[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.