Annual report pursuant to Section 13 and 15(d)

Leases (Operating Lease Cost) (Details)

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Leases (Operating Lease Cost) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Leases [Abstract]    
Operating Lease, Cost $ 15,170 $ 15,713
Short-term Lease, Cost 1,611 1,508
Variable Lease, Cost $ 3,086 $ 2,244