Debt And Other Long-Term Liabilities (Schedule Of Debt And Other Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Long-term Debt, by Type Alternative [Abstract]
Senior unsecured notes, current	$ 0
Senior unsecured notes, long-term	350,000
Senior unsecured notes, total	350,000
Convertible debt, current	132,103	0
Convertible debt, long-term	0	172,810
Convertible debt, total	132,103	172,810
Term loan, current	16,405	15,312
Term loan, long-term	140,000	144,375
Term loan, total	156,405	159,687
Redbox rollout agreement, current	73	217
Redbox rollout agreement, long-term	2	3
Redbox rollout agreement, total	75	220
Asset retirement obligation, current	0	0
Asset retirement obligations, long-term	13,373	14,020
Asset retirement obligation, total	13,373	14,020
Other long-term liabilities, current	0	0
Other long-term liabilities, long-term	11,551	9,971
Other long-term liabilities, total	11,551	9,971
Debt and other liabilities, current	148,581	15,529
Debt and other liabilities, long-term	514,926	341,179
Total debt and other liabilities	$ 663,507	$ 356,708