Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Feb. 29, 2024	May 31, 2023
Fair value on a recurring basis
Cash and cash equivalents	$ 128,483	$ 124,149
Other assets, net:
Total assets at fair value	215,384	194,598
Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	86,901	70,449
Level 1
Fair value on a recurring basis
Cash and cash equivalents	128,483	124,149
Other assets, net:
Total assets at fair value	128,483	124,149
Level 1 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	0	0
Level 2
Fair value on a recurring basis
Cash and cash equivalents	0	0
Other assets, net:
Total assets at fair value	86,901	70,449
Level 2 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	86,901	70,449
Level 3
Fair value on a recurring basis
Cash and cash equivalents	0	0
Other assets, net:
Total assets at fair value	0	0
Level 3 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	$ 0	$ 0