Debt and Other Long-Term Liabilities (Schedule Of Interest Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Long-term Debt, Unclassified [Abstract]
Cash interest expense	$ 11,517	$ 7,304	$ 29,646	$ 17,716
Non-cash interest expense:
Amortization of debt discount	616	804	2,171	3,876
Amortization of deferred financing fees	285	366	1,252	1,341
Other	0	(54)	0	(548)
Total non-cash interest expense	901	1,116	3,423	4,669
Total cash and non-cash interest expense	12,418	8,420	33,069	22,385
Loss from early extinguishment of debt	(55)	(1)	(2,018)	(5,950)
Total interest expense	$ 12,473	$ 8,421	$ 35,087	$ 28,335