v3.26.1
Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Apr. 30, 2025
Jan. 31, 2025
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     $ 5,710.0 $ 7,649.9  
Goodwill impairment charge     (507.5) [1] (1,661.6) [1] $ 0.0
Divestitures       (277.7)  
Other [2]     2.5 (0.6)  
Goodwill, Ending Balance $ 5,710.0   5,205.0 5,710.0 7,649.9
Goodwill, Impaired, Accumulated Impairment Loss     2,412.0    
U.S. Retail Coffee          
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     2,090.9 2,090.9  
Goodwill impairment charge [1]     0.0 0.0  
Divestitures       0.0  
Other [2]     0.0 0.0  
Goodwill, Ending Balance 2,090.9   2,090.9 2,090.9 2,090.9
U.S. Retail Frozen Handheld and Spreads          
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     1,139.9 1,139.9  
Goodwill impairment charge [1]     0.0 0.0  
Divestitures       0.0  
Other [2]     0.0 0.0  
Goodwill, Ending Balance 1,139.9   1,139.9 1,139.9 1,139.9
U.S. Retail Pet Foods          
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     1,580.2 1,580.2  
Goodwill impairment charge [1]     0.0 0.0  
Divestitures       0.0  
Other [2]     0.0 0.0  
Goodwill, Ending Balance 1,580.2   1,580.2 1,580.2 1,580.2
Sweet Baked Snacks          
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     507.5 2,447.2  
Goodwill impairment charge (867.3) $ (794.3) (507.5) [1] (1,661.6) [1]  
Divestitures       (277.7)  
Other [2]     0.0 (0.4)  
Goodwill, Ending Balance 507.5   0.0 507.5 2,447.2
Away From Home          
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     251.7 251.7  
Goodwill impairment charge [1]     0.0 0.0  
Divestitures       0.0  
Other [2]     0.0 0.0  
Goodwill, Ending Balance 251.7   251.7 251.7 251.7
Other          
Summary of changes in the company's goodwill          
Goodwill, Beginning Balance     139.8 140.0  
Goodwill impairment charge [1]     0.0 0.0  
Divestitures       0.0  
Other [2]     2.5 (0.2)  
Goodwill, Ending Balance $ 139.8   $ 142.3 $ 139.8 $ 140.0
[1] Accumulated goodwill impairment charges of $2,412.0 have been recognized as of April 30, 2026.
[2] The amounts classified as other primarily represent foreign currency translation adjustments and includes purchase price adjustments in 2025 related to the acquisition of Hostess Brands within the Sweet Baked Snacks reportable segment.