v3.24.1.u1
Business Combinations (Details)
£ in Millions, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Dec. 01, 2023
USD ($)
Dec. 01, 2023
GBP (£)
Apr. 28, 2023
USD ($)
shares
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
Business Acquisition                
Net Sales       $ 1,999.0 $ 1,619.9 $ 3,964.9 $ 3,186.2  
Goodwill       4,647.0   4,647.0   $ 4,574.4
Selling, general and administrative expenses       341.3 $ 239.3 664.2 $ 468.0  
Pet Food                
Business Acquisition                
Payments to Acquire Businesses, Base Purchase Price     $ 700.0          
Payment at closing     715.5          
Fair value of total consideration transferred     1,207.5          
Issuance of common stock     $ 492.3          
Pet Food | TSA Agreement                
Business Acquisition                
Selling, general and administrative expenses       4.5   9.5    
Receivables, net       29.5   29.5   $ 35.5
Pet Food | Smucker | Common Stock                
Business Acquisition                
Stock Issued During Period, Shares, Acquisitions | shares     5.4          
Perfection                
Business Acquisition                
Payments to Acquire Businesses, Base Purchase Price $ 235.0              
Payment at closing 238.8              
Net Sales       65.1   84.6    
Segment Profit (Loss)       4.8   4.9    
Transaction-related expenses       0.1   1.9    
Cash and cash equivalents       0.3   0.3    
Receivables, net       40.8   40.8    
Inventories       21.1   21.1    
Prepaid expenses and other current assets       0.4   0.4    
Property, net       69.9   69.9    
Other intangible assets, net       81.0   81.0    
Other assets       2.9   2.9    
Accounts payable       (21.5)   (21.5)    
Other current liabilities       (1.6)   (1.6)    
Other liabilities       (1.8)   (1.8)    
Total identifiable net assets       191.5   191.5    
Goodwill       42.7   42.7    
Fair value of total consideration transferred       234.2   234.2    
Business Combination, WC Receivable       4.6   $ 4.6    
Perfection | Customer Relationships                
Business Acquisition                
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life           16 years    
Other intangible assets, net       81.0   $ 81.0    
Deeside                
Business Acquisition                
Payments to Acquire Businesses, Base Purchase Price $ 14.3              
Net Sales       7.2   9.5    
Segment Profit (Loss)       (0.7)   (0.9)    
Fair value of total consideration transferred       $ 20.5   20.5    
Business Combination, Bargain Purchase, Gain Recognized, Amount           $ 6.2    
Business Combination, Bargain Purchase, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]           Other Operating Income (Expense), Net    
Deeside | Euro Member Countries, Euro                
Business Acquisition                
Payments to Acquire Businesses, Base Purchase Price | £   £ 11.3