Reportable Segments (Details) - USD ($) $ in Millions		3 Months Ended
		Jul. 31, 2017	Jul. 31, 2016
Net sales:
Net sales		$ 1,748.9	$ 1,815.8
Segment profit:
Segment profit		371.3	446.9
Amortization		(51.5)	(51.7)
Interest expense – net		(42.0)	(41.5)
Unallocated derivative gains (losses)		12.6	7.7
Cost of products sold – special project costs (A)	[1]	(0.7)	(4.0)
Other special project costs (A)	[1],[2]	(27.1)	(22.2)
Corporate administrative expenses		(70.8)	(82.9)
Other income (expense) – net		(2.8)	1.1
Income Before Income Taxes		189.0	253.4
U.S. Retail Coffee [Member]
Net sales:
Net sales		480.8	513.3
Segment profit:
Segment profit		123.8	173.8
U.S. Retail Consumer Foods [Member]
Net sales:
Net sales		492.4	537.0
Segment profit:
Segment profit		110.9	111.4
U.S. Retail Pet Foods [Member]
Net sales:
Net sales		521.7	519.5
Segment profit:
Segment profit		98.3	122.2
International and Away From Home [Member]
Net sales:
Net sales		254.0	246.0
Segment profit:
Segment profit		$ 38.3	$ 39.5

[1] Special project costs includes integration and restructuring costs. For more information, see Note 4: Integration and Restructuring Costs.

[2] Other special project costs includes integration and restructuring costs. For more information, see Note 4: Integration and Restructuring Costs.