Derivatives - Contracts Held (Details) (Not Designated as Hedging Instrument [Member], Foreign Exchange Forward [Member], USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013		Dec. 31, 2012
Euro
Derivative [Line Items]
Notional Value	$ 7,500,000		$ 5,000,000
Forward Rate	1.3529		1.3228
Gain/(Loss) Recorded at Balance Sheet Date	(2,000)	[1]	(13,000)	[1]
Chinese Yuan Renminbi
Derivative [Line Items]
Notional Value	15,000,000
Forward Rate	6.2047
Gain/(Loss) Recorded at Balance Sheet Date	159,000	[1]
Brazilian Real
Derivative [Line Items]
Notional Value	3,000,000
Forward Rate	2.34420
Gain/(Loss) Recorded at Balance Sheet Date	$ (93,000)	[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.