Segment Information - Schedule of Reconciliation of Total Segment Profit to the Company's Loss Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Total segment profit	$ 115.2	$ 41.2
Adjusted depreciation and amortization	(3.4)	(3.5)
Restructuring and other	(2.9)	(4.8)
Adjusted share-based compensation expense	(40.3)	(2.8)
Purchase accounting and related adjustments	(1.0)	(2.3)
Operating income (loss)	25.6	(10.6)
Interest expense	(56.9)	(68.7)
Interest and other income	4.8	4.4
Other gain (loss), net	3.7	(17.0)
Loss on extinguishment of debt	0.0	(1.0)
Gain on investments, net	1.3	8.8
Equity interests loss	0.0	(1.2)
Loss from continuing operations before income taxes	(21.5)	(85.3)
Operating segments
Segment Reporting [Line Items]
Total segment profit	115.2	41.2
Corporate
Segment Reporting [Line Items]
Corporate general and administrative expenses	(35.9)	(32.1)
Corporate and reconciling items
Segment Reporting [Line Items]
Adjusted depreciation and amortization	(3.4)	(3.5)
Restructuring and other	(2.9)	(4.8)
Unallocated rent cost included in direct operating expense	(5.1)	(5.4)
Adjusted share-based compensation expense	(40.3)	(2.8)
Purchase accounting and related adjustments	$ (2.0)	$ (3.2)

The amount of depreciation and amortization as presented on the statement of operations, less the depreciation and amortization related to the non-cash fair value adjustments to property and equipment and intangible assets acquired in the acquisition of businesses, which are included in purchase accounting and related adjustments.

No definition available.