Commitments And Contingencies (Minimum Payments Required Under Purchase Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Purchase Obligations And Contractual Agreements [Line Items]
2013	$ 80,660
2014	54,198
2015	48,336
2016	147,173
2017	45,867
Thereafter	2,067,266
Purchase Obligation	2,443,500
Purchase Obligations [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2013	33,506
2014	7,504
2015	1,165
2016	157
2017	0
Thereafter	0
Purchase Obligation	42,332
Operating Lease Payments [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2013	2,029
2014	1,569
2015	1,546
2016	1,391
2017	242
Thereafter	0
Purchase Obligation	6,777
.TV Agreement [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2013	4,500
2014	4,500
2015	5,000
2016	5,000
2017	5,000
Thereafter	20,000
Purchase Obligation	44,000
Convertible Debt [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2013	40,625
2014	40,625
2015	40,625
2016	40,625
2017	40,625
Thereafter	2,047,266
Purchase Obligation	2,250,391
Credit Facility [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2013	0
2014	0
2015	0
2016	100,000
2017	0
Thereafter	0
Purchase Obligation	$ 100,000