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Segment Information (Reconciliation Of Total Segment Profit To The Company's Loss Before Income Taxes) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Company’s total segment profit | $ 653.7 | $ 481.0 | $ 499.3
Adjusted depreciation and amortization | (50.1) | (40.2) | (43.0)
Restructuring and other | (508.5) | (411.9) | (16.8)
Goodwill and intangible asset impairment | (663.9) | (1,475.0) | 0.0
Adjusted share-based compensation expense | (81.2) | (97.8) | (100.0)
Operating income (loss) | (938.8) | (1,857.7) | 9.0
Interest expense | (269.8) | (221.2) | (176.0)
Interest and other income | 22.1 | 6.4 | 30.8
Other expense | (26.9) | (26.9) | (10.9)
Gain (loss) on extinguishment of debt | 19.9 | 57.4 | (28.2)
Gain on investments, net | 3.5 | 44.0 | 1.3
Equity interests loss | 8.7 | 0.5 | (3.0)
Loss before income taxes | (1,181.3) | (1,997.5) | (177.0)
Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Company’s total segment profit | 653.7 | 481.0 | 499.3
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Corporate general and administrative expenses | (136.1) | (122.9) | (97.1)
Corporate and reconciling items |  |  |
Segment Reporting Information [Line Items] |  |  |
Adjusted depreciation and amortization | (50.1) | (40.2) | (43.0)
Restructuring and other | (508.5) | (411.9) | (16.8)
Goodwill and intangible asset impairment | (663.9) | (1,475.0) | 0.0
COVID-19 related charges included in direct operating expense and distribution and marketing expense | 1.0 | 11.6 | 3.4
Programming and content charges | 0.0 | (7.0) | (36.9)
Charges related to Russia's invasion of Ukraine | 0.0 | 0.0 | (5.9)
Adjusted share-based compensation expense | (81.2) | (97.8) | (100.0)
Purchase accounting and related adjustments | $ (153.7) | $ (195.5) | $ (194.0)

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