Reportable Segments (Details 1) - USD ($) $ in Millions		3 Months Ended
		Jul. 31, 2025	Jul. 31, 2024	Apr. 30, 2025
Geographical information [Line Items]
Assets		$ 17,741.9		$ 17,563.3
Net sales		2,113.3	$ 2,125.1
Depreciation Amortization and Impairment Charges		135.2	129.0
Additions to property, plant, and equipment		84.3	123.7
Segment Reporting, Reconciling Item, Corporate Nonsegment
Geographical information [Line Items]
Assets	[1]	276.9		261.1
Depreciation Amortization and Impairment Charges	[2]	23.3	15.1
U.S. Retail Coffee
Geographical information [Line Items]
Net sales		717.2	623.4
U.S. Retail Coffee | Operating Segments
Geographical information [Line Items]
Assets		4,845.2		4,927.8
Depreciation Amortization and Impairment Charges		24.4	24.4
Additions to property, plant, and equipment		11.5	23.4
U.S. Retail Frozen Handheld and Spreads
Geographical information [Line Items]
Net sales		484.7	496.8
U.S. Retail Frozen Handheld and Spreads | Operating Segments
Geographical information [Line Items]
Assets		3,322.9		3,263.1
Depreciation Amortization and Impairment Charges		25.1	20.6
Additions to property, plant, and equipment		40.1	48.8
U.S. Retail Pet Foods
Geographical information [Line Items]
Net sales		368.0	399.7
U.S. Retail Pet Foods | Operating Segments
Geographical information [Line Items]
Assets		4,675.8		4,679.3
Depreciation Amortization and Impairment Charges		30.3	30.0
Additions to property, plant, and equipment		11.4	24.2
Sweet Baked Snacks
Geographical information [Line Items]
Net sales		253.2	333.7
Sweet Baked Snacks | Operating Segments
Geographical information [Line Items]
Assets		3,384.6		3,394.9
Depreciation Amortization and Impairment Charges		21.9	29.9
Additions to property, plant, and equipment		10.2	13.2
International and Away From Home
Geographical information [Line Items]
Net sales		290.2	271.5
International and Away From Home | Operating Segments
Geographical information [Line Items]
Assets		1,236.5		$ 1,037.1
Depreciation Amortization and Impairment Charges		10.2	9.0
Additions to property, plant, and equipment		11.1	14.1
United States
Geographical information [Line Items]
Net sales		2,009.4	2,015.4
Total international
Geographical information [Line Items]
Net sales		103.9	109.7
Canada
Geographical information [Line Items]
Net sales		70.7	81.4
All other international
Geographical information [Line Items]
Net sales		$ 33.2	$ 28.3

[1] Primarily represents unallocated cash and cash equivalents and corporate-held investments.

[2] Primarily represents unallocated accelerated depreciation related to restructuring activities and corporate administrative expenses, mainly consisting of depreciation and software amortization.