Fair Value Measurements (Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (Foreign Exchange Contract [Member], Fair Value, Measurements, Recurring [Member], USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - foreign exchange contracts, assets	$ 408	$ 1,610
Derivatives - foreign exchange contracts, liabilities	1,727	730
Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - foreign exchange contracts, assets
Derivatives - foreign exchange contracts, liabilities
Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - foreign exchange contracts, assets	408	1,610
Derivatives - foreign exchange contracts, liabilities	1,727	730
Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - foreign exchange contracts, assets
Derivatives - foreign exchange contracts, liabilities