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Segment Information (Purchase Accounting and Related Adjustments) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Corporate and reconciling items |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Purchase accounting and related adjustments | $ 194.0 | $ 192.4 | $ 216.6
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 | 0.4 | 1.0 | 8.1
General and administrative expense |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Purchase accounting and related adjustments | 58.7 | 47.2 |
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 | 58.7 | 47.2 | 52.6
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 | $ 134.9 | $ 144.2 | $ 155.9

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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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