Investment In Films And Television Programs (Schedule of Investment In Films And Television Programs) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
Investment in Films and Television Programs [Line Items]
Total investment in film and television programs	$ 1,561,968	$ 1,381,829
Motion Pictures | Theatrical And Non-Theatrical Films
Investment in Films and Television Programs [Line Items]
Released, net of accumulated amortization	526,903	507,628
Acquired libraries, net of accumulated amortization	5,134	9,357
Completed and not released	21,835	76,968
In progress	583,493	478,879
In development	33,644	21,054
Product inventory	19,210	23,023
Total investment in film and television programs	1,190,219	1,116,909
Television Production | Direct-to-Television Programs
Investment in Films and Television Programs [Line Items]
Released, net of accumulated amortization	208,322	231,470
In progress	158,270	28,585
In development	5,157	4,865
Total investment in film and television programs	$ 371,749	$ 264,920