Leases - Schedule of Operating Lease Cost and Information Related to Operating Lease Right-of-use Assets, Net and Operating Lease Liabilities (Details) $ in Thousands	3 Months Ended
	Nov. 30, 2019 USD ($)
Lease cost
Operating lease costs including short-term lease expense and variable lease costs, which were immaterial in the quarter	$ 4,567
Operating cash flow impacts
Cash paid for amounts included in the measurement of operating lease liabilities	3,235
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$ 1,909
Weighted-average remaining lease term - operating leases	4 years 9 months 18 days
Weighted-average discount rate - operating leases	2.86%