Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets
Foreign currency exchange contracts	$ 46	$ 168
Liabilities
Interest rate swap agreements	(1,023)	(1,014)
Foreign currency exchange contracts	(1,035)	(2,371)
Level 1 [Member]
Assets
Foreign currency exchange contracts
Liabilities
Interest rate swap agreements
Foreign currency exchange contracts
Level 2 [Member]
Assets
Foreign currency exchange contracts	46	168
Liabilities
Interest rate swap agreements	(1,023)	(1,014)
Foreign currency exchange contracts	(1,035)	(2,371)
Level 3 [Member]
Assets
Foreign currency exchange contracts
Liabilities
Interest rate swap agreements
Foreign currency exchange contracts