Acquisition, Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	$ 737,507	$ 733,946
Accumulated Amortization	308,553	238,531
Net Carrying Value	428,954	495,415
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Intangible assets, gross	927,707	924,146
Intangible assets, net	619,154	685,615
Trade name
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Unamortizable intangible assets	190,200	190,200
Programs and contract assets, channel relationships, and other amortizable intangible assets
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	591,894	599,794
Accumulated Amortization	220,557	169,316
Net Carrying Value	371,337	430,478
Software
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	145,613	134,152
Accumulated Amortization	87,996	69,215
Net Carrying Value	$ 57,617	$ 64,937

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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