Derivative Instruments (Notional Amount Of Foreign Exchange Contracts) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Derivative [Line Items]
Amount Available in Dollars	$ 1,200,000
Foreign Exchange Contract 1 [Member]
Derivative [Line Items]
Transaction Date	2014-09
Amount Available in Dollars	$ 450,000	$ 900,000
Effective Date	2015-01
Expiration Date	Dec. 01, 2015
Foreign Exchange Contract 2 [Member]
Derivative [Line Items]
Transaction Date	2014-10
Amount Available in Dollars	$ 450,000	900,000
Effective Date	2015-01
Expiration Date	Dec. 01, 2015
Foreign Exchange Contract 3 [Member]
Derivative [Line Items]
Transaction Date	2014-12
Amount Available in Dollars	$ 300,000	$ 600,000
Effective Date	2015-01
Expiration Date	Dec. 01, 2015