Film Obligations and Production Loans (Future Annual Repayment of Film Obligations And Production Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Future Annual Repayment Of Film Obligations And Production Loans
Six Months Ended March 31, 2015	$ 97,723
Year Ended March 31, 2016	556,654
Year Ended March 31, 2017	124,410
Year Ended March 31, 2018	2,000
Year Ended March 31, 2019	1,000
Thereafter	0
Total	781,787
Less imputed interest on film obligations	(663)
Total film obligations and production loans	781,124	499,787
Film Obligations [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Six Months Ended March 31, 2015	19,989
Year Ended March 31, 2016	16,680
Year Ended March 31, 2017	2,964
Year Ended March 31, 2018	2,000
Year Ended March 31, 2019	1,000
Thereafter	0
Total	42,633
Production Loans [Member]
Future Annual Repayment Of Film Obligations And Production Loans
Six Months Ended March 31, 2015	77,734
Year Ended March 31, 2016	539,974
Year Ended March 31, 2017	121,446
Year Ended March 31, 2018	0
Year Ended March 31, 2019	0
Thereafter	0
Total	$ 739,154