Goodwill, Service Contracts and Other Assets, Net - Information Regarding Service Contracts and Other Assets, Net (Details) - USD ($) $ in Thousands	Nov. 30, 2022	May 31, 2022
Information regarding service contracts and other assets
Total future amortization expense	$ 710,157
Other assets, carrying amount	799,225	$ 728,160
Other assets, accumulated amortization	431,014	384,050
Other assets, net	368,211	344,110
Capitalized contract costs
Information regarding service contracts and other assets
Other assets, carrying amount	609,239	551,582
Other assets, accumulated amortization	365,159	319,358
Other assets, net	244,080	232,224
Other assets current	88,200	83,700
Noncompete and consulting agreements
Information regarding service contracts and other assets
Other assets, carrying amount	51,261	50,637
Other assets, accumulated amortization	44,662	43,775
Other assets, net	6,599	6,862
Other
Information regarding service contracts and other assets
Other assets, carrying amount	138,725	125,941
Other assets, accumulated amortization	21,193	20,917
Other assets, net	117,532	105,024
Service Contracts
Information regarding service contracts and other assets
Service contracts, carrying amount	1,000,250	1,001,311
Service contracts, accumulated amortization	632,638	609,673
Total future amortization expense	$ 367,612	$ 391,638