v3.24.2.u1
Condensed Consolidated Statements of Shareholders' Equity Statement - USD ($)
$ in Millions
Total
Common Stock
Additional Paid-in Capital
Retained Earnings
Retirement Benefit Adjustments, net of tax
Hedging Adjustments, net of tax
Foreign Currency Translation Adjustments
Treasury Stock
Noncontrolling Interests
Shareholders' Equity Excluding Noncontrolling Interest, Beginning of period at Sep. 30, 2022   $ 0.9 $ 4,748.2 $ 1,109.0 $ (29.7) $ 74.8 $ (308.0) $ (2,341.2)  
Total Shareholders' Equity, Beginning of period at Sep. 30, 2022                 $ 11.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Activity under stock and deferred compensation plans     (29.0)            
Non-cash stock-based compensation expense     57.2            
Payment for share repurchase contracts $ 0.0                
Proceeds from share repurchase contracts 0.0   0.0            
Issuance of common stock     492.3            
Net Earnings 235.6     235.6          
Post Holdings Partnering Corporation deemed dividend       6.2          
Net change in retirement benefits, net of tax         (2.7)        
Foreign currency translation adjustments             186.9   (1.6)
Purchases of treasury stock               (250.5)  
Net earnings attributable to noncontrolling interests 11.8               (0.3)
Shareholders' Equity Excluding Noncontrolling Interest, End of period at Jun. 30, 2023 3,950.0 0.9 5,268.7 1,350.8 (32.4) 74.8 (121.1) (2,591.7)  
Total Shareholders' Equity, End of period at Jun. 30, 2023 3,959.8               9.8
Shareholders' Equity Excluding Noncontrolling Interest, Beginning of period at Mar. 31, 2023   0.9 4,757.5 1,253.8 (31.4) 74.8 (157.7) (2,424.9)  
Total Shareholders' Equity, Beginning of period at Mar. 31, 2023                 10.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Activity under stock and deferred compensation plans     (1.1)            
Non-cash stock-based compensation expense     20.0            
Proceeds from share repurchase contracts     0.0            
Issuance of common stock     492.3            
Net Earnings 89.6     89.6          
Post Holdings Partnering Corporation deemed dividend       7.4          
Net change in retirement benefits, net of tax         (1.0)        
Foreign currency translation adjustments             36.6   (0.5)
Purchases of treasury stock               (166.8)  
Net earnings attributable to noncontrolling interests 8.7               (0.6)
Shareholders' Equity Excluding Noncontrolling Interest, End of period at Jun. 30, 2023 3,950.0 0.9 5,268.7 1,350.8 (32.4) 74.8 (121.1) (2,591.7)  
Total Shareholders' Equity, End of period at Jun. 30, 2023 3,959.8               9.8
Shareholders' Equity Excluding Noncontrolling Interest, Beginning of period at Sep. 30, 2023 3,842.1 0.9 5,288.1 1,416.5 (30.3) 74.8 (179.6) (2,728.3)  
Total Shareholders' Equity, Beginning of period at Sep. 30, 2023 3,851.3               9.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Activity under stock and deferred compensation plans     (37.4)            
Non-cash stock-based compensation expense     60.9            
Payment for share repurchase contracts (50.0)   (50.0)            
Proceeds from share repurchase contracts 50.9   50.9            
Issuance of common stock     0.0            
Net Earnings 285.1     285.1          
Post Holdings Partnering Corporation deemed dividend       0.0          
Net change in retirement benefits, net of tax         (6.8)        
Foreign currency translation adjustments             54.8   1.3
Purchases of treasury stock               (254.5)  
Net earnings attributable to noncontrolling interests 0.2               0.2
Shareholders' Equity Excluding Noncontrolling Interest, End of period at Jun. 30, 2024 3,945.1 0.9 5,312.5 1,701.6 (37.1) 74.8 (124.8) (2,982.8)  
Total Shareholders' Equity, End of period at Jun. 30, 2024 3,955.8               10.7
Shareholders' Equity Excluding Noncontrolling Interest, Beginning of period at Mar. 31, 2024   0.9 5,240.1 1,601.8 (37.0) 74.8 (127.2) (2,773.1)  
Total Shareholders' Equity, Beginning of period at Mar. 31, 2024                 10.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Activity under stock and deferred compensation plans     0.4            
Non-cash stock-based compensation expense     21.1            
Payment for share repurchase contracts     0.0            
Proceeds from share repurchase contracts     50.9            
Issuance of common stock     0.0            
Net Earnings 99.8     99.8          
Post Holdings Partnering Corporation deemed dividend       0.0          
Net change in retirement benefits, net of tax         (0.1)        
Foreign currency translation adjustments             2.4   0.2
Purchases of treasury stock               (209.7)  
Net earnings attributable to noncontrolling interests 0.1               0.1
Shareholders' Equity Excluding Noncontrolling Interest, End of period at Jun. 30, 2024 3,945.1 $ 0.9 $ 5,312.5 $ 1,701.6 $ (37.1) $ 74.8 $ (124.8) $ (2,982.8)  
Total Shareholders' Equity, End of period at Jun. 30, 2024 $ 3,955.8               $ 10.7