Debt and Derivatives - Interest Rate Lock Agreements (Details) - USD ($) $ in Thousands	May 31, 2022	May 31, 2021
Other assets, net | Interest Rate Contract, 2022
Derivatives, Fair Value [Line Items]
Other assets, net	$ 18,331	$ 0
Other assets, net | Interest Rate Contract, 2020
Derivatives, Fair Value [Line Items]
Other assets, net	38,546	40,400
Other assets, net | Interest Rate Contract, 2019
Derivatives, Fair Value [Line Items]
Other assets, net	$ 0	0
Long-term accrued liabilities | Interest Rate Contract, 2022
Derivatives, Fair Value [Line Items]
Long-term accrued liabilities		0
Long-term accrued liabilities | Interest Rate Contract, 2020
Derivatives, Fair Value [Line Items]
Long-term accrued liabilities		0
Long-term accrued liabilities | Interest Rate Contract, 2019
Derivatives, Fair Value [Line Items]
Long-term accrued liabilities		$ 61,657