v3.24.1.u1
Shareholders' Equity (Tables)
6 Months Ended
Mar. 31, 2024
Equity [Abstract]  
Repurchases of Common Stock
Three Months Ended
March 31,
Six Months Ended
March 31,
2024202320242023
Shares repurchased
0.1 0.7 0.5 1.0 
Average price per share (a)$103.88 $88.59 $87.23 $87.47 
Total share repurchase costs
$8.1 $59.7 $44.8 $83.7 
(a)Average price per share excludes broker’s commissions, which are included in “Total share repurchase costs” within this table.