v3.26.1
Reportable Segments (Details 2) - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales $ 9,050.9 $ 8,726.1 $ 8,178.7
Percent of product sales attributable to primary reportable segment 75.00%    
Operating Segments | U.S. Retail Coffee      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales $ 3,304.9 2,806.6 2,704.4
Operating Segments | U.S. Retail Coffee | Coffee [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 3,768.7 3,173.8 3,063.0
Operating Segments | U.S. Retail Frozen Handheld and Spreads      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 1,853.9 1,877.0 1,815.6
Operating Segments | U.S. Retail Frozen Handheld and Spreads | Frozen handheld [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 995.7 918.2 791.1
Operating Segments | U.S. Retail Frozen Handheld and Spreads | Peanut butter [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 786.1 827.8 814.1
Operating Segments | U.S. Retail Frozen Handheld and Spreads | Fruit spreads [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 371.0 400.8 427.2
Operating Segments | U.S. Retail Frozen Handheld and Spreads | Topping and syrups [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 109.2 96.8 88.4
Operating Segments | U.S. Retail Pet Foods      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 1,600.0 1,663.6 1,822.8
Operating Segments | U.S. Retail Pet Foods | Pet snacks [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 886.0 944.7 1,024.8
Operating Segments | U.S. Retail Pet Foods | Cat food [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 776.0 763.5 792.4
Operating Segments | U.S. Retail Pet Foods | Dog food [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 0.1 24.4 76.4
Operating Segments | Sweet Baked Snacks      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 971.3 1,178.8 637.3
Operating Segments | Sweet Baked Snacks | Sweet baked goods [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 971.3 1,093.0 572.5
Operating Segments | Sweet Baked Snacks | Cookies [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] 0.0 86.3 64.8
Operating Segments | Other      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [2] 441.8 437.1 487.1
Operating Segments | Other | Baking mixes and ingredients [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1],[3] 89.5 88.1 90.3
Operating Segments | Other | Other [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1],[3] 102.9 96.8 165.8
Operating Segments | Away From Home      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 879.0 763.0 711.5
Operating Segments | Away From Home | Portion control [Member]      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales [1] $ 194.4 $ 211.9 $ 207.9
[1] The primary reportable segment generally represents at least 75 percent of total net sales for each respective product category.
[2] Represents the International operating segment.
[3] Represents the International operating segment.