Subsequent Events (Schedule Of Restricted Units Granted) (Details) - Subsequent Event [Member] - Restricted Stock Units (RSUs) shares in Thousands, $ in Thousands	1 Months Ended
	Nov. 30, 2015 USD ($) shares
TSR Units
Subsequent Event [Line Items]
Intrinsic Value	$ 13,382
Performance-based Award [Member]
Subsequent Event [Line Items]
Intrinsic Value	$ 10,928
Time-based Award [Member]
Subsequent Event [Line Items]
Number Granted | shares	839
Intrinsic Value	$ 30,326
Maximum [Member] | TSR Units
Subsequent Event [Line Items]
Number Granted | shares	570
Maximum [Member] | Performance-based Award [Member]
Subsequent Event [Line Items]
Number Granted | shares	302