Commitments And Contingencies (Minimum Payments Required Under Purchase Obligations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Purchase Obligations And Contractual Agreements [Line Items]
2015	$ 108,353
2016	87,695
2017	81,934
2018	80,313
2019	80,313
Thereafter	2,864,763
Purchase Obligation	3,303,371
Purchase Obligations [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2015	20,894
2016	6,036
2017	1,369
2018	0
2019	0
Thereafter	0
Purchase Obligation	28,299
.TV Agreement [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2015	5,000
2016	5,000
2017	5,000
2018	5,000
2019	5,000
Thereafter	10,000
Purchase Obligation	35,000
Convertible Debt [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2015	45,851
2016	40,625
2017	40,625
2018	40,625
2019	40,625
Thereafter	1,966,016
Purchase Obligation	2,174,367
Senior Notes [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2015	34,688
2016	34,688
2017	34,688
2018	34,688
2019	34,688
Thereafter	888,747
Purchase Obligation	1,062,187
Lease Agreements [Member]
Purchase Obligations And Contractual Agreements [Line Items]
2015	1,920
2016	1,346
2017	252
2018	0
2019	0
Thereafter	0
Purchase Obligation	$ 3,518