Film Obligations And Production Loans (Future Six-Month And Annual Repayment of Film Obligations And Production Loans) (Details) (USD $) In Thousands	Sep. 30, 2011	Mar. 31, 2011
Future Annual Repayment Of Film Obligations And Production Loans
Six-Months Ended March 31, 2012	$ 84,019
Year Ended March 31, 2013	189,342
Year Ended March 31, 2014	94,266
Year Ended March 31, 2015	9,534
Total	377,161
Less imputed interest on Film Obligations	(3,799)
Total film obligations and production loans	373,362	326,440
Film Obligations [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Six-Months Ended March 31, 2012	34,711
Year Ended March 31, 2013	16,875
Year Ended March 31, 2014	13,766
Year Ended March 31, 2015	9,534
Total	74,886
Individual Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Six-Months Ended March 31, 2012	36,205
Year Ended March 31, 2013	141,325
Year Ended March 31, 2014	15,000
Total	192,530
Pennsylvania Regional Center Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Year Ended March 31, 2014	65,500
Total	65,500
Film Credit Facility [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Six-Months Ended March 31, 2012	13,103
Year Ended March 31, 2013	31,142
Total	$ 44,245