Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Feb. 28, 2022	May 31, 2021
Fair value on a recurring basis
Cash and cash equivalents	$ 84,136	$ 493,640
Prepaid expenses and other current assets, and other assets, net:
Total assets at fair value	128,151	534,040
Current and long-term accrued liabilities:
Total liabilities at fair value	53,333	61,567
Interest rate lock agreements | Prepaid expenses and other current assets
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	22,645
Interest rate lock agreements | Other assets, net
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	21,370	40,400
Interest rate lock agreements | Current accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	52,540
Interest rate lock agreements | Long-term accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	793	61,567
Level 1
Fair value on a recurring basis
Cash and cash equivalents	84,136	493,640
Prepaid expenses and other current assets, and other assets, net:
Total assets at fair value	84,136	493,640
Current and long-term accrued liabilities:
Total liabilities at fair value	0	0
Level 1 | Interest rate lock agreements | Prepaid expenses and other current assets
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	0
Level 1 | Interest rate lock agreements | Other assets, net
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	0	0
Level 1 | Interest rate lock agreements | Current accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	0
Level 1 | Interest rate lock agreements | Long-term accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	0	0
Level 2
Fair value on a recurring basis
Cash and cash equivalents	0	0
Prepaid expenses and other current assets, and other assets, net:
Total assets at fair value	44,015	40,400
Current and long-term accrued liabilities:
Total liabilities at fair value	53,333	61,567
Level 2 | Interest rate lock agreements | Prepaid expenses and other current assets
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	22,645
Level 2 | Interest rate lock agreements | Other assets, net
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	21,370	40,400
Level 2 | Interest rate lock agreements | Current accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	52,540
Level 2 | Interest rate lock agreements | Long-term accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	793	61,567
Level 3
Fair value on a recurring basis
Cash and cash equivalents	0	0
Prepaid expenses and other current assets, and other assets, net:
Total assets at fair value	0	0
Current and long-term accrued liabilities:
Total liabilities at fair value	0	0
Level 3 | Interest rate lock agreements | Prepaid expenses and other current assets
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	0
Level 3 | Interest rate lock agreements | Other assets, net
Prepaid expenses and other current assets, and other assets, net:
Interest rate lock agreements	0	0
Level 3 | Interest rate lock agreements | Current accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	0
Level 3 | Interest rate lock agreements | Long-term accrued liabilities
Current and long-term accrued liabilities:
Interest rate lock agreements	$ 0	$ 0