Quarterly report pursuant to Section 13 or 15(d)

Contingencies and Litigation - Additional Information (Details)

v3.19.2
Contingencies and Litigation - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2018
May 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
Outstanding letters of credit $ 23.6 $ 17.5
Discounted present value of future minimum lease payments   $ 9.6
Weighted Average Discount Rate on Future Minimum Lease Payments   2.43%
Sales to Iranian Distributors $ 0.5