Derivatives (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Schedule of assets at fair value on a recurring basis
Foreign currency exchange futures contracts	$ (55)
Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
Schedule of assets at fair value on a recurring basis
Foreign currency exchange futures contracts
Significant Other Observable Inputs, Level 2 [Member]
Schedule of assets at fair value on a recurring basis
Foreign currency exchange futures contracts	(55)
Significant Unobservable Inputs, Level 3 [Member]
Schedule of assets at fair value on a recurring basis
Foreign currency exchange futures contracts