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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018
Statement of Comprehensive Income [Abstract] |  |  |
Tax benefit on unrealized loss on cash flow hedges | $ 0.0 | $ 0.3 | $ 0.1

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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580 + Details
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- References No definition available. + Details
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