Acquisitions - Aggregate Purchase Price and Fair Value Allocations (Details) - USD ($) $ in Thousands	May 31, 2022	Dec. 10, 2021	May 31, 2021	May 31, 2020
Assets
Goodwill	$ 3,042,976		$ 2,913,069	$ 2,870,020
Equity Method Investment
Assets
Working capital assets		$ 17,352
Property and equipment		16,230
Operating lease right-of-use assets		16,882
Goodwill		55,986
Separately identifiable intangible assets		9,201
Liabilities
Total current liabilities		(6,425)
Operating lease liabilities		(17,734)
Total consideration for acquisitions, net of cash acquired		$ 91,492