Goodwill, Service Contracts and Other Assets - Information Regarding Service Contracts and Other Assets (Details) - USD ($) $ in Thousands	May 31, 2019	Jun. 01, 2018	May 31, 2018	May 31, 2017
Information regarding service contracts and other assets
Service contracts, net	$ 494,595		$ 545,768	$ 586,988
Other assets, carrying amount	369,630		80,497
Other assets, accumulated amortization	129,315		51,182
Other assets, net	240,315	$ 216,818	29,315
Capitalized contract costs
Information regarding service contracts and other assets
Other assets, carrying amount	277,016
Other assets, accumulated amortization	71,062
Other assets, net	205,954
Current portion of capitalized contract costs	69,600
Noncompete and consulting agreements
Information regarding service contracts and other assets
Other assets, carrying amount	42,308		41,710
Other assets, accumulated amortization	40,524		39,877
Other assets, net	1,784		1,833
Other
Information regarding service contracts and other assets
Other assets, carrying amount	50,306		38,787
Other assets, accumulated amortization	17,729		11,305
Other assets, net	32,577		27,482
Service contracts
Information regarding service contracts and other assets
Service contracts, carrying amount	928,635		924,978
Service contracts, accumulated amortization	434,040		379,210
Service contracts, net	$ 494,595		$ 545,768