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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Feb. 28, 2022
Aug. 31, 2021
CONSOLIDATED BALANCE SHEETS [Abstract]    
Receivables, allowance for doubtful accounts $ 52 $ 94
Prepaid expenses and other current assets, fair value of derivative instruments 1,566 0
Other non-current assets, fair value of derivative instruments 4,583 2,464
Other long-term liabilities, fair value of derivative instruments 958 3,010
Other long-term liabilities, post-employment plans $ 7,726 $ 7,380
Common stock, par value per share $ 0.0001 $ 0.0001
Common stock, shares authorized 45,000,000 45,000,000
Common stock, shares issued 31,626,219 31,467,971
Common stock, shares outstanding 30,871,179 30,755,308
Treasury stock, shares 755,040 712,663