Changes in Equity - Summary of Changes in Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		$ 1,171.5	$ 1,223.2	$ 1,154.6	$ 1,266.3
Income tax effect		2.0	(7.5)	1.1	(4.2)
Balance		1,070.3	1,160.9	1,070.3	1,160.9
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				(10.6)	(3.8)
Other comprehensive income (loss) before reclassifications				(0.7)	(5.9)
Reclassification adjustments to net earnings	[1]			0.0	0.0
Income tax effect				0.0	0.0
Balance		(11.3)	(9.7)	(11.3)	(9.7)
Pension Liability Adjustment
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				6.0	6.6
Other comprehensive income (loss) before reclassifications				0.0	0.0
Reclassification adjustments to net earnings	[1]			0.0	0.0
Income tax effect				0.0	0.0
Balance		6.0	6.6	6.0	6.6
Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Balance				2.5	(1.0)
Other comprehensive income (loss) before reclassifications				2.7	4.7
Reclassification adjustments to net earnings	[1]			(7.3)	13.3
Income tax effect				1.1	(4.2)
Balance		(1.0)	12.8	(1.0)	12.8
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated Other Comprehensive Income Loss [Line Items]
Balance		0.8	(15.0)	(2.1)	1.8
Other comprehensive income (loss) before reclassifications				2.0	(1.2)
Reclassification adjustments to net earnings	[1]			(7.3)	13.3
Income tax effect				1.1	(4.2)
Balance		$ (6.3)	$ 9.7	$ (6.3)	$ 9.7

[1] Cash flow hedges – See the disclosure in “Note N – Derivative Financial Instruments and Hedging Activities.”