Fair Value Measurements (Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - foreign exchange contracts	$ 88	$ 290
Derivatives - foreign exchange contracts	5,585	6,060
Fair Value, Measurements, Recurring | Foreign Exchange Contract | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - foreign exchange contracts	88	290
Derivatives - foreign exchange contracts	$ 5,585	$ 6,060