Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Feb. 28, 2025	May 31, 2024
Fair value on a recurring basis
Cash and cash equivalents	$ 243,428	$ 342,015
Other assets, net:
Total assets at fair value	338,823	436,844
Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	95,395	94,829
Level 1
Fair value on a recurring basis
Cash and cash equivalents	243,428	342,015
Other assets, net:
Total assets at fair value	243,428	342,015
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	95,395	94,829
Level 2 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	95,395	94,829
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