Derivative Instruments (Notional Amount Of Foreign Exchange Contracts) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Derivative [Line Items]
Derivatives, current notional amount	$ 31,612
Foreign Exchange Contract 1 [Member]
Derivative [Line Items]
Transaction Date	2013-08
Derivatives, current notional amount	600
Effective Date	2014-01
Expiration Date	2014-12
Foreign Exchange Contract 2 [Member]
Derivative [Line Items]
Transaction Date	2013-11
Derivatives, current notional amount	300
Effective Date	2014-01
Expiration Date	2014-12
Foreign Exchange Contract 3 [Member]
Derivative [Line Items]
Transaction Date	2014-05
Derivatives, current notional amount	830
Effective Date	2014-05
Expiration Date	2014-09
Foreign Exchange Contract 4 [Member]
Derivative [Line Items]
Transaction Date	2014-05
Derivatives, current notional amount	831
Effective Date	2014-05
Expiration Date	2014-12
Foreign Exchange Contract 5 [Member]
Derivative [Line Items]
Transaction Date	2014-05
Derivatives, current notional amount	832
Effective Date	2014-05
Expiration Date	2015-03
Foreign Exchange Contract 6 [Member]
Derivative [Line Items]
Transaction Date	2014-05
Derivatives, current notional amount	$ 28,219
Effective Date	2014-05
Expiration Date	2015-04