Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands		May 31, 2021	May 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		$ 78,148	$ 181
Liabilities		15,197	8,777
Derivative Instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	[1]	78,148	181
Liabilities	[1]	15,197	8,777
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		78,148	181
Liabilities		15,197	8,777
Fair Value, Inputs, Level 2 | Derivative Instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	[1]	78,148	181
Liabilities	[1]	$ 15,197	$ 8,777

[1] The fair value of our derivative financial instruments was based on the present value of the expected future cash flows considering the risks involved, including non-performance risk, and using discount rates appropriate for the respective maturities.  Market observable, Level 2 inputs are used to determine the present value of the expected future cash flows.  Refer to “Note R – Derivative Financial Instruments and Hedging Activities” for additional information regarding our use of derivative financial instruments