Quarterly report pursuant to Section 13 or 15(d)

Leases Components of Lease Expense (Details)

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Leases Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Components of Lease Expense [Abstract]        
Operating Lease, Cost $ 3,766 $ 3,894 $ 7,471 $ 8,147
Short-term Lease, Cost 397 310 810 765
Variable Lease, Cost $ 865 $ 564 $ 1,747 $ 1,033