Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended				3 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013		Jun. 30, 2013 Change in Accounting Method Accounted for as Change in Estimate [Member]
Business Acquisition [Line Items]
Reduction in product cost, reported in direct operating expenses, resulting from change in accounting estimate	$ (384,111)	[1]	$ (405,973)	[1]	$ (1,194,815)	[1]	$ (1,174,818)	[1]	$ 21,700
Content library, period of amortization					1 year

[1] “Direct operating” excludes depreciation and other of $32.0 million and $96.5 million for the three and nine months ended September 30, 2014, respectively, and $33.0 million and $97.3 million for the three and nine months ended September 30, 2013, respectively.