XML 412 R85.htm IDEA: XBRL DOCUMENT v3.25.1
Investment in Films and Television Programs - (Amortization of Investment in Films and Television Programs and Licensed Program Rights) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Impairment In Investment In Films And Television Programs [Line Items]              
Film, Monetized on Its Own, Amortization Expense         $ 70.6 $ 84.3  
Film group monetization         1,347.8 1,649.3 $ 1,497.5
Total amortization of films and television programs and licensed program rights     $ 1,053.3 $ 948.1 1,347.8 1,649.3 1,497.5
LIONS GATE ENTERTAINMENT CORP [Member]              
Impairment In Investment In Films And Television Programs [Line Items]              
Film, Monetized on Its Own, Amortization Expense $ 286.0 $ 214.2 797.6 618.6 907.1 951.2 887.3
Film group monetization 56.5 66.8 212.5 276.7 382.0 330.0 303.0
Licensed program rights 89.2 90.2 195.8 243.4 288.8 384.1 377.4
Total amortization of films and television programs and licensed program rights $ 431.7 $ 371.2 $ 1,205.9 $ 1,138.7 $ 1,577.9 $ 1,665.3 $ 1,567.7