Debt and Other Long-Term Liabilities (Schedule Of Interest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Long-term Debt, Unclassified [Abstract]
Cash interest expense	$ 10,654	$ 11,395
Amortization of debt discount and deferred financing fees	638	693
Total cash and non-cash interest expense	11,292	12,088
Gain from early extinguishment of debt	(11,028)	0
Total interest expense	$ 264	$ 12,088