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v3.25.3

Description of Business, Basis of Presentation and Significant Accounting Policies (Details) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 06, 2025 | Sep. 30, 2025 USD ($) segment | Sep. 30, 2025 USD ($) segment | Mar. 31, 2024 USD ($) | Mar. 31, 2025 USD ($) | Aug. 27, 2024 | May 31, 2024 USD ($)
Debt Instrument |  |  |  |  |  |  |
Number of reportable segments | segment |  | 1 | 1,000,000 |  |  |  |
Stock split, conversion ratio | 0.0667 |  |  |  |  |  |
Segment Reporting, Reconciling Item, Corporate Nonsegment | Related Party |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Business separation cost |  |  |  | $ 10,000,000 |  |  |
Senior Notes |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  | 5.50%
Existing Notes | Senior Notes |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  | 5.50% | 5.50%
Long-term debt |  | $ 325,100,000 | $ 325,100,000 |  |  |  | $ 325,100,000
Exchange Notes | Senior Notes |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  | 5.50%
Long-term debt |  |  |  |  | $ 389,900,000 |  | $ 389,900,000
5.500% Senior Notes due 2029 | Senior Notes |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Long-term debt |  | $ 325,100,000 | $ 325,100,000 |  | $ 715,000,000.0 |  | 625,100,000
Credit Agreement | Secured Debt |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  |  |  |  |  |  | 300,000,000
Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  |  |  |  |  |  | $ 150,000,000
New Lionsgate | Old Lionsgate Class A Shareholders |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Shares conversion rate (in shares) | 1.12 |  |  |  |  |  |
New Lionsgate | Old Lionsgate Class B Shareholders |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Shares conversion rate (in shares) | 1 |  |  |  |  |  |
Starz Entertainment Corp | Old Lionsgate Class A Shareholders |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Shares conversion rate (in shares) | 1.12 |  |  |  |  |  |
Starz Entertainment Corp | Old Lionsgate Class B Shareholders |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Shares conversion rate (in shares) | 1 |  |  |  |  |  |

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