Business and Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Variable Interest Entity, Primary Beneficiary [Member]
Business and Basis Of Presentation [Line Items]
Variable Interest Entity, Consolidated Assets	$ 8.9
Variable Interest Entity, Consolidated Revenue	3.5
Variable Interest Entity, Consolidated Operating Expenses	$ 3.5
Paramount [Member] | Distribution Arrangement [Member]
Business and Basis Of Presentation [Line Items]
Distribution arrangement, exploitation period	16 years
Fox [Member] | Distribution Arrangement [Member]
Business and Basis Of Presentation [Line Items]
Distribution Arrangement, Output Term	5 years
Period after U.S. home video release that output term will terminate	1 year