Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Sep. 01, 2019	Aug. 31, 2019
Assets
Operating leases	$ 30,460	$ 33,811	$ 0
Finance leases	4,686
Total lease assets	35,146
Liabilities
Current: Operating leases	2,500
Current: Finance leases	522
Non-Current: Operating leases	27,882	$ 31,243	$ 0
Non-Current: Finance leases	5,141
Total lease liabilities	$ 36,045