Commitments and Contingencies (Narrative) (Details) (USD $)	9 Months Ended			9 Months Ended	6 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Standby Letters of Credit [Member] Quantity	Sep. 30, 2014 Manufacturing and Service Agreement as Part of Asset Acquisition [Member]	Jun. 30, 2014 Content Arrangements [Member]	Sep. 30, 2014 Universal [Member] Content Arrangements [Member]	Sep. 30, 2014 Sony [Member] Content Arrangements [Member]
Long-term Purchase Commitment [Line Items]
Purchase commitments				$ 15,800,000		$ 140,600,000	$ 162,800,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized					25,000
Purchase obligation, term				5 years
Minimum margin to be paid				25,000,000
Purchases, Margin Reduction of Commitment Amount	2,100,000	6,000,000
Number of irrevocable standby letters of credit			6
Maximum capacity to guarantee under existing letters of credit			6,400,000
Irrevocable standby letters of credit, amount outstanding			0
Loss Contingency Accrual, Period Increase (Decrease)		$ 11.4