Additional Financial Information - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023
Additional Financial Information [Line Items]
Accounts receivable, net	$ 449.2	$ 350.9
LIONS GATE ENTERTAINMENT CORP. [Member] \| Pooled Monetization Agreement [Member]
Additional Financial Information [Line Items]
Accounts receivable, net	$ 0.0	$ 52.3

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

Name:	us-gaap_ReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant