Acquisition, Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	$ 733,195	$ 733,946
Accumulated Amortization	285,608	238,531
Net Carrying Value	447,587	495,415
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Intangible assets, gross	923,395	924,146
Intangible assets, net	637,787	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	203,365	169,316
Net Carrying Value	388,529	430,478
Software
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	141,301	134,152
Accumulated Amortization	82,243	69,215
Net Carrying Value	$ 59,058	$ 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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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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