Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Aug. 31, 2023	May 31, 2023
Fair value on a recurring basis
Cash and cash equivalents	$ 88,126	$ 124,149
Other assets, net:
Total assets at fair value	169,581	194,598
Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	81,455	70,449
Level 1
Fair value on a recurring basis
Cash and cash equivalents	88,126	124,149
Other assets, net:
Total assets at fair value	88,126	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	81,455	70,449
Level 2 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	81,455	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