Debt and Other Long-Term Liabilities (Schedule Of Interest Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Long-term Debt, Unclassified [Abstract]
Cash interest expense	$ 9,770	$ 7,506	$ 18,129	$ 10,412
Non-cash interest expense:
Amortization of debt discount	753	1,366	1,555	3,072
Amortization of deferred financing fees	463	457	967	975
Other	0	(81)	0	(494)
Total non-cash interest expense	1,216	1,742	2,522	3,553
Total cash and non-cash interest expense	10,986	9,248	20,651	13,965
Loss from early extinguishment of debt	(1,963)	(4,011)	(1,963)	(5,949)
Total interest expense	$ 12,949	$ 13,259	$ 22,614	$ 19,914