Acquisitions (Reconciliation of Gross Proceeds) (Details) $ in Millions	3 Months Ended
Jun. 30, 2024 USD ($)
Business Combination Segment Allocation [Line Items]
Total gross cash proceeds	$ 330.0
Less: SEAC warrant exchange payment	(12.5)
Net proceeds from the sale of noncontrolling interest in Lionsgate Studios Corp. per the condensed consolidated statement of equity (deficit)	282.7
Add: Transaction costs accrued and not paid, net of transaction costs previously paid	11.3
Net cash proceeds from the sale of noncontrolling interest in Lionsgate Studios per the condensed consolidated statement of cash flows	294.0
Screaming Eagle Acquisition Corp
Business Combination Segment Allocation [Line Items]
Less: Transaction costs	$ (34.8)

The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

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