Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share and Shareholders' Equity Share Repurchase (Details)

v3.20.1
Earnings per Share and Shareholders' Equity Share Repurchase (Details) - USD ($)
$ in Thousands
6 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Aug. 31, 2019
Equity [Abstract]      
Treasury Stock, Shares 22,295,357   21,455,568
Stock Repurchase Program, Authorized Amount $ 658,000    
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 5,704,643    
Stock Repurchased During Period, Shares 839,789    
Stock Repurchases $ 17,805 $ 0