CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Aug. 31, 2023	Aug. 31, 2022
Statement of Financial Position [Abstract]
Receivables, allowance for doubtful accounts	$ 67	$ 103
Prepaid expenses and other current assets, fair value of derivative instruments	0	2,761
Derivative asset, noncurrent	7,817	11,884
Fair value, liabilities, current	1,913	82
Other long-term liabilities, fair value of derivative instruments	3,321	0
Other long-term liabilities, post-employment plans	$ 12,105	$ 8,440
Common stock, par value per share (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	45,000,000	45,000,000
Common stock, shares issued (in shares)	31,934,900	31,697,590
Common stock, shares outstanding (in shares)	30,976,941	30,904,826
Number of common shares acquired (in shares)	957,959	792,764