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Employee Benefit Plans (Details) - Schedule Of Amounts Recognized In Balance Sheet - USD ($) $ in Millions	May 31, 2021	May 31, 2020
U.K. | Pension Plans
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Current liabilities	$ 0.0	$ 0.0
Non-current liabilities	(6.2)	(5.1)
Net funded balance	(6.2)	(5.1)
U.S. | Other Postretirement Benefits
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Current liabilities	(1.3)	(1.5)
Non-current liabilities	(10.8)	(19.3)
Net funded balance	$ (12.1)	$ (20.8)

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- Definition

Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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