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Derivative Financial Instruments (Details 3) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Jan. 31, 2022 | Jan. 31, 2021 | Jan. 31, 2022 | Jan. 31, 2021
Price Risk Derivatives [Abstract] |  |  |  |
Net derivative gains (losses) recognized and classified as unallocated | $ 14.5 | $ 35.4 | $ 42.5 | $ 57.5
Less: Net derivatives gains (losses) reclassified to segment operating profit | 36.9 | 1.6 | 80.4 | (24.0)
Change in net cumulative unallocated derivative gains and losses | $ (22.4) | $ 33.8 | $ (37.9) | $ 81.5

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- Definition The amount of gain (loss) from derivative positions reclassified from derivative gains (losses) to segment operating profit. + References No definition available. + Details
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- Definition Changes in the values of derivative positions that is recorded in unallocated derivative gains (losses). + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
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