Derivative Financial Instruments (Schedule Of Derivative Instruments Fair Value And Balance Sheet Classification) (Details) (Forward exchange contracts [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Prepaid And Other Current Assets [Member]
Derivative instruments in asset positions, Forward exchange contracts	$ 1,849	$ 682
Other Long-Term Assets [Member]
Derivative instruments in asset positions, Forward exchange contracts	697	76
Accounts Payable And Accrued Liabilities [Member]
Derivative instruments in liability positions, Forward exchange contracts	240	1,492
Other Long-Term Liabilities [Member]
Derivative instruments in liability positions, Forward exchange contracts	$ 48	$ 230