Quarterly report pursuant to Section 13 or 15(d)

Contingencies and Litigation - Additional Information (Details)

v3.10.0.1
Contingencies and Litigation - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2018
Nov. 30, 2018
Commitments and Contingencies Disclosure [Abstract]    
Outstanding letters of credit $ 23.6 $ 15.7
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Discounted present value of future minimum lease payments   $ 10.4
Weighted Average Discount Rate on Future Minimum Lease Payments   3.30%
Sales to Iranian Distributors $ 0.5