Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Apr. 30, 2021

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Components of accumulated other comprehensive (loss) income

The components of accumulated other comprehensive income (loss), including the reclassification adjustments for items that are reclassified from accumulated other comprehensive income (loss) to net income, are shown below.

	Foreign Currency Translation Adjustment		Net Gains (Losses)  on Cash Flow  Hedging Derivatives (A)		Pension and Other Postretirement Liabilities (B)		Unrealized Gain (Loss) on Available-for-Sale Securities		Accumulated Other Comprehensive Income (Loss)
Balance at May 1, 2018	$	(16.4)	$	(2.9)	$	(101.0)	$	3.6	$	(116.7)
Reclassification adjustments	—		0.4		7.3		—		7.7
Current period credit (charge)	(19.1)		(49.1)		(19.1)		0.7		(86.6)
Income tax benefit (expense)	—		11.2		2.8		(0.2)		13.8
Balance at April 30, 2019	$	(35.5)	$	(40.4)	$	(110.0)	$	4.1	$	(181.8)
Reclassification adjustments	—		2.1		7.4		—		9.5
Current period credit (charge)	(15.0)		(190.7)		(54.8)		(0.4)		(260.9)
Income tax benefit (expense)	—		43.4		10.7		0.1		54.2
Balance at April 30, 2020	$	(50.5)	$	(185.6)	$	(146.7)	$	3.8	$	(379.0)
Reclassification adjustments	—		13.8		46.3		—		60.1
Current period credit (charge)	41.5		—		18.9		(0.1)		60.3
Income tax benefit (expense)	—		(3.0)		(15.8)		—		(18.8)
Balance at April 30, 2021	$	(9.0)	$	(174.8)	$	(97.3)	$	3.7	$	(277.4)

(A)The reclassification from accumulated other comprehensive income (loss) to interest expense was related to terminated interest rate contracts. The current period charge in 2020 and 2019 relates to losses on the interest rate contracts entered into in November 2018 and June 2018 that were terminated in 2020. For additional information, see Note 10: Derivative Financial Instruments.

(B)The reclassification from accumulated other comprehensive income (loss) to other income (expense) – net is composed of settlement charges and amortization of net losses and prior service costs. The reclassification adjustments in 2021 primarily include the impact of the nonrecurring settlement charges related to the purchase of a group annuity contract to transfer our Canadian defined benefit pension plan obligations to an insurance company. For additional information, see Note 9: Pensions and Other Postretirement Benefits.