Unaudited Condensed Consolidated Statements of Equity (Deficit) - USD ($) shares in Millions, $ in Millions	Total	Lions Gate Entertainment Corp. Shareholders' Equity (Deficit)	Common Shares Class A Voting Shares	Common Shares Class B Non-Voting Shares	Accumulated Deficit	Accumulated other comprehensive income	Noncontrolling Interests
Beginning balance, shares at Mar. 31, 2023			83.5	145.9
Beginning balance at Mar. 31, 2023	$ 786.0	$ 784.5	$ 672.3	$ 2,430.9	$ (2,439.6)	$ 120.9	$ 1.5	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options	0.3	0.3		$ 0.3
Share-based compensation, net of share cancellations for taxes, shares				5.5
Share-based compensation, net of share cancellations for taxes	5.9	5.9	0.4	$ 5.5
Issuance of common shares	0.6	0.6	$ 0.3	$ 0.3
Net loss	(956.1)	(956.9)			(956.9)		0.8	[1]
Other comprehensive income (loss)	15.5	15.5				15.5
Redeemable noncontrolling interests adjustments to redemption value	(71.0)	(71.0)			(71.0)
Ending balance, shares at Sep. 30, 2023			83.5	151.4
Ending balance at Sep. 30, 2023	(218.8)	(221.1)	$ 673.0	$ 2,437.0	(3,467.5)	136.4	2.3	[1],[2]
Beginning balance, shares at Jun. 30, 2023			83.5	148.0
Beginning balance at Jun. 30, 2023	728.2	726.4	$ 672.9	$ 2,431.2	(2,516.3)	138.6	1.8	[2]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options	0.3	0.3		$ 0.3
Share-based compensation, net of share cancellations for taxes, shares				3.4
Share-based compensation, net of share cancellations for taxes	5.6	5.6	$ 0.1	$ 5.5
Net loss	(885.7)	(886.2)			(886.2)		0.5	[2]
Other comprehensive income (loss)	(2.2)	(2.2)				(2.2)
Redeemable noncontrolling interests adjustments to redemption value	(65.0)	(65.0)			(65.0)
Ending balance, shares at Sep. 30, 2023			83.5	151.4
Ending balance at Sep. 30, 2023	(218.8)	(221.1)	$ 673.0	$ 2,437.0	(3,467.5)	136.4	2.3	[1],[2]
Beginning balance, shares at Mar. 31, 2024			83.6	151.7
Beginning balance at Mar. 31, 2024	(310.5)	(312.7)	$ 673.6	$ 2,474.4	(3,576.7)	116.0	2.2	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, shares				0.1
Exercise of stock options	0.3	0.3		$ 0.3
Share-based compensation, net of share cancellations for taxes, shares				4.6
Share-based compensation, net of share cancellations for taxes	9.4	9.4	$ 0.4	$ 9.0
Sale of noncontrolling interest in Lionsgate Studios Corp. (see Note 2)	281.6	382.4			393.7	(11.3)	(100.8)	[1]
Noncontrolling interests	33.0						33.0	[1]
Net loss	(239.6)	(222.7)			(222.7)		(16.9)	[1]
Other comprehensive income (loss)	(8.1)	(8.1)				(8.1)
Redeemable noncontrolling interests adjustments to redemption value	9.3	9.3			9.3
Ending balance, shares at Sep. 30, 2024			83.6	156.4
Ending balance at Sep. 30, 2024	(224.6)	(142.1)	$ 674.0	$ 2,483.7	(3,396.4)	96.6	(82.5)	[1],[2]
Beginning balance, shares at Jun. 30, 2024			83.6	152.3
Beginning balance at Jun. 30, 2024	(49.0)	14.6	$ 673.8	$ 2,490.4	(3,242.7)	93.1	(63.6)	[2]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options, shares				0.1
Exercise of stock options	0.3	0.3		$ 0.3
Share-based compensation, net of share cancellations for taxes, shares				4.0
Share-based compensation, net of share cancellations for taxes	(6.8)	(6.8)	$ 0.2	$ (7.0)
Noncontrolling interest reclassification	(1.1)	4.1				4.1	(5.2)
Net loss	(177.0)	(163.3)			(163.3)		(13.7)	[2]
Other comprehensive income (loss)	(0.6)	(0.6)				(0.6)
Redeemable noncontrolling interests adjustments to redemption value	9.6	9.6			9.6
Ending balance, shares at Sep. 30, 2024			83.6	156.4
Ending balance at Sep. 30, 2024	$ (224.6)	$ (142.1)	$ 674.0	$ 2,483.7	$ (3,396.4)	$ 96.6	$ (82.5)	[1],[2]

[1] Excludes redeemable noncontrolling interests, which are reflected in temporary equity (see Note 9).

[2] Excludes redeemable noncontrolling interests, which are reflected in temporary equity (see Note 9).