Fair Value Measures - Schedule of Assets and Liabilities Measured at Fair Value (Details) - Recurring basis - USD ($) $ in Thousands	May 31, 2022	Aug. 31, 2021
Assets
Derivative instruments	$ 8,605	$ 1,384
Total assets measured at fair value	279,988	269,887
Liabilities
Derivative instruments	3,963	4,181
Total liabilities measured at fair value	3,963	4,181
Corporate money market funds
Assets
Cash and cash equivalents	237,803	232,519
Mutual funds
Assets
Mutual funds	33,580	35,984
Level 1
Assets
Derivative instruments	0	0
Total assets measured at fair value	237,803	232,519
Liabilities
Derivative instruments	0	0
Total liabilities measured at fair value	0	0
Level 1 | Corporate money market funds
Assets
Cash and cash equivalents	237,803	232,519
Level 1 | Mutual funds
Assets
Mutual funds	0	0
Level 2
Assets
Derivative instruments	8,605	1,384
Total assets measured at fair value	42,185	37,368
Liabilities
Derivative instruments	3,963	4,181
Total liabilities measured at fair value	3,963	4,181
Level 2 | Corporate money market funds
Assets
Cash and cash equivalents	0	0
Level 2 | Mutual funds
Assets
Mutual funds	$ 33,580	$ 35,984