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Restructuring and Other - Schedule of Restructuring and Other and Other Unusual Charges or Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5.0	$ (1.1)	$ 11.4	$ (1.7)
Transaction and other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4.8	2.9	9.3	2.9
Content recoveries
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.0	(4.3)	(0.3)	(4.9)
Share-based compensation
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.2	$ 0.3	$ 2.4	$ 0.3

X

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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