XML 190 R74.htm IDEA: XBRL DOCUMENT v3.24.3
Capital Stock (Details) - $ / shares
 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Outstanding Shares [Roll Forward]      
Shares outstanding 155,871,932 155,844,138 157,955,433
Vesting of restricted stock units, net of shares withheld for taxes 207,986 256,724 195,156
Exercised stock options 517,839 110,989 36,731
Exercise of employee stock purchase plan 129,356 181,483 150,909
Stock repurchased under buyback program (636,789) (714,830) (2,654,254)
Shares outstanding 156,227,170 155,871,932 155,844,138
Preferred stock, shares authorized (in shares) 60,000,000 60,000,000  
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01  
Preferred stock, shares issued (in shares) 0    
Performance Shares [Member]      
Outstanding Shares [Roll Forward]      
Settlement of performance-based restricted stock units, net of shares withheld for taxes 136,846 193,428 160,163