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Subsidiary, Ownership Percentage, Parent, Noncontrolling Owner's Right To Purchase

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Percentage of voting equity interest acquired in business combination.

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Amount of equity (deficit) attributable to noncontrolling interest. Excludes temporary equity.

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The cash outflow during the period for redemption of redeemable noncontrolling interests.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of accumulated undistributed earnings (deficit).

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Noncontrolling Interests - Narrative (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended
	May 30, 2025	Jul. 31, 2024	Jun. 30, 2025	Jan. 31, 2027	Mar. 31, 2025	Jun. 05, 2024	May 13, 2024
Redeemable Noncontrolling Interest [Line Items]
Retained earnings (accumulated deficit)			$ (3,643.1)		$ (3,534.1)
Noncontrolling interests			29.9		$ (88.0)
Arts Entertainment LLC
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest	$ 19.1
Percentage of voting interests acquired (as percent)	51.00%
3 Arts Entertainment
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest			87.4
Due to noncontrolling interest			90.3
3 Arts Entertainment \| Forecast
Redeemable Noncontrolling Interest [Line Items]
Noncontrolling owner's right to purchase remaining ownership interest (as percent)				24.00%
Arts Entertainment LLC \| Arts Entertainment LLC
Redeemable Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners	49.00%
Pilgrim Media Group
Redeemable Noncontrolling Interest [Line Items]
Ownership percentage, parent		12.50%
Payments for repurchase of redeemable noncontrolling interest		$ 13.5
Reduction of redeemable noncontrolling interest from purchase of interest		23.4
Retained earnings (accumulated deficit)		$ 9.9
Studio Business
Redeemable Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners							12.20%
CP LG Library Holdings, LLC
Redeemable Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners						49.00%
Noncontrolling interests			$ 27.6			$ 33.6