Fair Value Measurement (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets:
Foreign currency forward exchange contracts not accounted for using hedge accounting	$ 654
Liabilities:
Foreign currency forward exchange contracts not accounted for using hedge accounting		3,532
Interest rate swaps		69
Total liabilities		3,601
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets:
Foreign currency forward exchange contracts not accounted for using hedge accounting
Liabilities:
Foreign currency forward exchange contracts not accounted for using hedge accounting
Interest rate swaps
Total liabilities
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Foreign currency forward exchange contracts not accounted for using hedge accounting	654
Liabilities:
Foreign currency forward exchange contracts not accounted for using hedge accounting		3,532
Interest rate swaps		69
Total liabilities		3,601
Significant Unobservable Inputs (Level 3) [Member]
Assets:
Foreign currency forward exchange contracts not accounted for using hedge accounting
Liabilities:
Foreign currency forward exchange contracts not accounted for using hedge accounting
Interest rate swaps
Total liabilities