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v3.25.2

Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance |  | $ 7,693.9 | $ 7,290.8 | $ 8,140.1
Balance |  | 6,082.6 | 7,693.9 | 7,290.8
Foreign Currency Translation Adjustment [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance |  | (39.2) | (34.3) | (21.1)
Reclassification adjustments |  | 0.0 | 0.0 | 0.0
Current period credit (charge) |  | (2.5) | (4.9) | (13.2)
Income tax benefit (expense) |  | 0.0 | 0.0 | 0.0
Balance |  | (41.7) | (39.2) | (34.3)
Net Gains (Losses) on Cash Flow Hedging Derivatives [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance | [1] | (143.1) | (153.6) | (163.9)
Reclassification adjustments | [1] | 69.7 | 13.6 | 13.5
Current period credit (charge) | [1] | 0.0 | 0.0 | 0.0
Income tax benefit (expense) | [1] | (16.7) | (3.1) | (3.2)
Balance | [1] | (90.1) | (143.1) | (153.6)
Pension and Other Postretirement Liabilities [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance | [2] | (53.4) | (52.7) | (54.2)
Reclassification adjustments | [2] | 1.8 | 0.3 | 10.3
Current period credit (charge) | [2] | (1.3) | (1.3) | (7.9)
Income tax benefit (expense) | [2] | (0.3) | 0.3 | (0.9)
Balance | [2] | (53.2) | (53.4) | (52.7)
Unrealized Gain (Loss) on Available-for-Sale Securities [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance |  | 1.1 | 1.4 | 1.8
Reclassification adjustments |  | 0.0 | 0.0 | 0.0
Current period credit (charge) |  | (0.7) | (0.4) | (0.6)
Income tax benefit (expense) |  | 0.1 | 0.1 | 0.2
Balance |  | 0.5 | 1.1 | 1.4
AOCI Attributable to Parent [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance |  | (234.6) | (239.2) | (237.4)
Reclassification adjustments |  | 71.5 | 13.9 | 23.8
Current period credit (charge) |  | (4.5) | (6.6) | (21.7)
Income tax benefit (expense) |  | (16.9) | (2.7) | (3.9)
Balance |  | $ (184.5) | $ (234.6) | $ (239.2)
[1] | The reclassification from accumulated other comprehensive income (loss) is primarily composed of deferred gains (losses) related to terminated interest rate contracts which were reclassified to interest expense – net. In addition, a portion of the reclassification in 2025 was reclassified to other debt gains (charges) – net resulting from the extinguishment of debt from the tender offers. For additional information, see Note 10: Derivative Financial Instruments and Note 8: Debt and Financing Arrangements.
[2] | The reclassification from accumulated other comprehensive income (loss) to other income (expense) – net is composed of settlement and curtailment activity and amortization of net losses and prior service costs. For additional information, see Note 9: Pensions and Other Postretirement Benefits.

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