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Investment In Films and Television Programs and Licensed Program Rights (Investment in Films and Television Programs and Licensed Program Rights) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Mar. 31, 2021
Individual Monetization    
Released, net of accumulated amortization $ 551.0 $ 414.7
Completed and not released 34.4 60.3
In progress 753.8 418.7
In development 105.2 92.9
Total 1,444.4 986.6
Film Group Monetization    
Released, net of accumulated amortization 480.7 200.4
Completed and not released 96.9 0.0
In progress 565.8 497.1
In development 16.3 28.2
Total 1,159.7 725.7
Licensed program rights, net of accumulated amortization 381.3 510.4
Investment in films and television programs and licensed program rights, net $ 2,985.4 $ 2,222.7