Basis Of Presentation And New Accounting Standards (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Reduction to net revenue	$ (182,462)	$ (340,837)	$ (538,119)	$ (899,996)
Increase to net loss	$ (9,880)	$ (75,586)	(26,887)	$ (187,087)
Scenario, Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Reduction to net revenue			2,500
Increase to net loss			$ 1,700