Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Aug. 31, 2022	May 31, 2022
Fair value on a recurring basis
Cash and cash equivalents	$ 74,558	$ 90,471
Other assets, net:
Total assets at fair value	132,689	147,348
Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	58,131	56,877
Level 1
Fair value on a recurring basis
Cash and cash equivalents	74,558	90,471
Other assets, net:
Total assets at fair value	74,558	90,471
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	58,131	56,877
Level 2 | Interest rate lock agreements
Other assets, net:
Interest rate lock agreements	58,131	56,877
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