Film Obligations and Production Loans (Future Annual Repayment of Film Obligations And Production Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Mar. 31, 2012
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2013	$ 161,456
Year Ended March 31, 2014	208,671
Year Ended March 31, 2015	54,754
Year Ended March 31, 2016	11,680
Year Ended March 31, 2017	2,000
Thereafter	3,000
Total	441,561
Less imputed interest on film obligations	(3,982)
Total film obligations and production loans	437,579	561,150
Film Obligations [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2013	36,161
Year Ended March 31, 2014	19,440
Year Ended March 31, 2015	16,020
Year Ended March 31, 2016	11,680
Year Ended March 31, 2017	2,000
Thereafter	3,000
Total	88,301
Individual Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2013	125,295
Year Ended March 31, 2014	114,949
Year Ended March 31, 2015	38,734
Year Ended March 31, 2016	0
Year Ended March 31, 2017	0
Thereafter	0
Total	278,978
Pennsylvania Regional Center Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2013	0
Year Ended March 31, 2014	65,500
Year Ended March 31, 2015	0
Year Ended March 31, 2016	0
Year Ended March 31, 2017	0
Thereafter	0
Total	65,500
Film Credit Facility [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2013	0
Year Ended March 31, 2014	8,782
Year Ended March 31, 2015	0
Year Ended March 31, 2016	0
Year Ended March 31, 2017	0
Thereafter	0
Total	$ 8,782