XML 71 R59.htm IDEA: XBRL DOCUMENT v3.20.4
Stockholders' Equity (Common Stock Outstanding) (Details) - USD ($)
 1 Months Ended 3 Months Ended
Sep. 30, 2019
Nov. 30, 2020
Nov. 30, 2019
Common stock outstanding:      
Common stock outstanding, beginning balances (in shares)   150,330,358  
Common stock outstanding, ending balance (in shares)   150,471,570  
Capital allocation framework period 2 years    
2020 Share Repurchase Program      
Common stock outstanding:      
Share repurchase program, amount authorized $ 600,000,000.0    
Number of shares repurchased (in shares)   7,500,000  
Value of shares repurchased   $ 263,900,000  
Share repurchase program, remaining amount available   $ 336,100,000  
Common stock:      
Common stock outstanding:      
Common stock outstanding, beginning balances (in shares) 153,520,380 150,330,358 153,520,380
Shares issued upon exercise of stock options (in shares)   0 13,930
Vesting of restricted stock (in shares)   2,217,082 1,916,740
Purchases of treasury stock under employee stock plans (in shares)   (601,406) (530,417)
Treasury shares purchased (in shares)   (1,474,464) (2,620,277)
Common stock outstanding, ending balance (in shares)   150,471,570 152,300,356