Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.19.3
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2018
Aug. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Outstanding letters of credit $ 23.6 $ 18.2
Discounted present value of future minimum lease payments   $ 9.1
Weighted Average Discount Rate on Future Minimum Lease Payments   1.90%
Sales to Iranian Distributors $ 0.5