Film Obligations and Production Loans (Future Annual Repayment of Film Obligations And Production Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2014	$ 500,992
Year Ended March 31, 2015	42,542
Year Ended March 31, 2016	16,680
Year Ended March 31, 2017	6,000
Year Ended March 31, 2018	6,000
Thereafter	1,000
Total	573,214
Less imputed interest on film obligations	(4,195)
Total film obligations and production loans	569,019	561,150
Film Obligations [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2014	52,173
Year Ended March 31, 2015	22,020
Year Ended March 31, 2016	16,680
Year Ended March 31, 2017	6,000
Year Ended March 31, 2018	6,000
Thereafter	1,000
Total	103,873
Individual Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2014	383,819
Year Ended March 31, 2015	20,522
Year Ended March 31, 2016	0
Year Ended March 31, 2017	0
Year Ended March 31, 2018	0
Thereafter	0
Total	404,341
Pennsylvania Regional Center Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2014	65,000
Year Ended March 31, 2015	0
Year Ended March 31, 2016	0
Year Ended March 31, 2017	0
Year Ended March 31, 2018	0
Thereafter	0
Total	$ 65,000