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Acquisition, Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Mar. 31, 2024
--- | --- | ---
Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Value | $ 782,102 | $ 738,179
Accumulated Amortization | 350,360 | 327,336
Net Carrying Value | 431,742 | 410,843
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract] |  |
Intangible assets, gross | 972,302 | 928,379
Intangible assets, net | 621,942 | 601,043
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 | 624,664 | 591,895
Accumulated Amortization | 253,836 | 237,764
Net Carrying Value | 370,828 | 354,131
Software |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Value | 157,438 | 146,284
Accumulated Amortization | 96,524 | 89,572
Net Carrying Value | $ 60,914 | $ 56,712

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