Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Aug. 31, 2025	May 31, 2025
Fair value on a recurring basis
Cash and cash equivalents	$ 138,143	$ 263,973
Other assets, net:
Total assets at fair value	237,133	366,523
Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	98,990	102,550
Level 1
Fair value on a recurring basis
Cash and cash equivalents	138,143	263,973
Other assets, net:
Total assets at fair value	138,143	263,973
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	98,990	102,550
Level 2 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	98,990	102,550
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