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Segment Information - Summary Of Capital Expenditures (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Capital expenditures |  |  |  | $ 9.9 | $ 6.5 | $ 6.1
Motion Picture |  |  |  |  |  |
Capital expenditures |  |  |  | 0.0 | 0.0 | 0.0
Television Production |  |  |  |  |  |
Capital expenditures |  |  |  | 0.3 | 0.3 | 0.4
Corporate |  |  |  |  |  |
Capital expenditures | [1] |  |  | 9.6 | 6.2 | 5.7
Starz Business of Lions Gate Entertainment Corp |  |  |  |  |  |
Capital expenditures |  | $ 13.7 | $ 15.2 | 20.4 | 34.3 | 19.8
Starz Business of Lions Gate Entertainment Corp | Starz Networks |  |  |  |  |  |
Capital expenditures |  |  |  | 20.4 | 34.3 | 19.7
Starz Business of Lions Gate Entertainment Corp | International |  |  |  |  |  |
Capital expenditures |  |  |  | $ 0.0 | $ 0.0 | $ 0.1
[1] | Represents unallocated capital expenditures primarily related to the Company’s corporate headquarters.

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