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Segment Information (Purchase Accounting and Related Adjustments) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Corporate and reconciling items |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Purchase accounting and related adjustments | $ 39.2 | $ 53.4 | $ 120.5 | $ 151.1
Direct operating | Corporate and reconciling items |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Purchase accounting and related adjustments | 0.0 | 0.0 | 0.0 | 0.7
General and administrative expense |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Purchase accounting and related adjustments | 2.8 | 16.9 | 15.0 | 46.0
General and administrative expense | Corporate and reconciling items |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Purchase accounting and related adjustments | 2.8 | 16.9 | 15.0 | 46.0
Amortization of recoupable portion of the purchase price | 0.0 | 1.9 | 1.3 | 5.7
Noncontrolling interest discount amortization | 0.0 | 3.3 | 0.0 | 13.3
Noncontrolling equity interest in distributable earnings | 2.8 | 11.7 | 13.7 | 27.0
Depreciation and amortization expense | Corporate and reconciling items |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Purchase accounting and related adjustments | $ 36.4 | $ 36.5 | $ 105.5 | $ 104.4

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- Definition The amortization of non-cash fair value adjustments to the assets and liabilities acquired in the acquisition of businesses. + References No definition available. + Details
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