XML 151 R122.htm IDEA: XBRL DOCUMENT v3.22.2.2
SHAREHOLDER’S EQUITY - Summary of Activity of Common Stock Repurchase Program (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended 15 Months Ended
Feb. 24, 2020
Nov. 18, 2019
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Feb. 24, 2020
Accelerated Share Repurchases [Line Items]            
Number of shares repurchased (in shares)     1,400 1,600 6,200  
Average price per share (in dollars per share)     $ 97.34 $ 81.43 $ 58.57  
Total repurchase amount       $ 125.8    
Accelerated share repurchase final settlement         $ 125.0  
Treasury Stock            
Accelerated Share Repurchases [Line Items]            
Total repurchase amount     $ 134.0 125.8    
Accelerated share repurchase final settlement         124.8  
Treasury stock and accelerated share repurchase amount       $ 125.8 $ 364.6  
Open Market Purchases            
Accelerated Share Repurchases [Line Items]            
Number of shares repurchased (in shares)     1,400 900 4,100  
Average price per share (in dollars per share)     $ 97.34 $ 93.13 $ 56.97  
Open Market Purchases | Treasury Stock            
Accelerated Share Repurchases [Line Items]            
Total repurchase amount     $ 134.0 $ 80.3 $ 230.6  
Private Purchases            
Accelerated Share Repurchases [Line Items]            
Number of shares repurchased (in shares)     0 700 100  
Average price per share (in dollars per share)     $ 0 $ 66.63 $ 62.30  
Private Purchases | Treasury Stock            
Accelerated Share Repurchases [Line Items]            
Total repurchase amount     $ 0.0 $ 45.5 $ 9.2  
ASR            
Accelerated Share Repurchases [Line Items]            
Number of shares repurchased (in shares) 300 1,700 0 0 2,000 2,000
Average price per share (in dollars per share)     $ 0 $ 0 $ 61.47 $ 61.59
Total repurchase amount $ 18.5 $ 106.3        
ASR | Treasury Stock            
Accelerated Share Repurchases [Line Items]            
Total repurchase amount     $ 0.0      
Accelerated share repurchase final settlement       $ 0.0 $ 124.8