Derivative Instruments (Notional Amount Of Foreign Exchange Contracts) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Derivative [Line Items]
Derivatives, current notional amount	$ 31,231
Foreign Exchange Contract 1 [Member]
Derivative [Line Items]
Transaction Date	2013-08
Derivatives, current notional amount	300
Effective Date	2014-01
Expiration Date	2014-12
Foreign Exchange Contract 2 [Member]
Derivative [Line Items]
Transaction Date	2013-11
Derivatives, current notional amount	150
Effective Date	2014-01
Expiration Date	2014-12
Foreign Exchange Contract 3 [Member]
Derivative [Line Items]
Transaction Date	2014-09
Derivatives, current notional amount	900
Effective Date	2015-01
Expiration Date	2015-12
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	831
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	2015-01
Expiration Date	2015-12