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Segment Information (Adjusted Depreciation and Amortization, COVID-19 Charges) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Depreciation and amortization | $ 192.2 | $ 180.3 | $ 177.9
Adjusted depreciation and amortization | 50.1 | 40.2 | 43.0
Corporate and reconciling items |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Adjusted depreciation and amortization | 50.1 | 40.2 | 43.0
COVID-19 related charges (benefit) | (1.0) | (11.6) | (3.4)
Purchase accounting and related adjustments | Corporate and reconciling items |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Depreciation and amortization | $ (142.1) | $ (140.1) | $ (134.9)

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- Definition The amount of depreciation and amortization as presented on the statement of operations, less the depreciation and amortization related to the non-cash fair value adjustments to property and equipment and intangible assets acquired in the acquisition of businesses, which are included in purchase accounting and related adjustments. + References No definition available. + Details
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