Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 24, 2019	Nov. 25, 2018	Nov. 24, 2019	Nov. 25, 2018
Income Statement [Abstract]
Net sales	$ 2,820.8	$ 2,383.7	$ 5,211.5	$ 4,218.1
Costs and expenses:
Cost of goods sold	2,022.9	1,706.5	3,749.1	3,025.4
Selling, general and administrative expenses	369.8	487.3	770.6	744.6
Pension and postretirement non-service income	(11.3)	(9.7)	(20.8)	(19.9)
Interest expense, net	121.4	80.6	244.1	129.6
Income from continuing operations before income taxes and equity method investment earnings	318.0	119.0	468.5	338.4
Income tax expense	84.1	22.4	72.6	79.8
Equity method investment earnings	27.6	37.7	39.9	53.9
Income from continuing operations	261.5	134.3	435.8	312.5
Loss from discontinued operations, net of tax	0.0	(1.9)	0.0	(1.9)
Net income	261.5	132.4	435.8	310.6
Less: Net income attributable to noncontrolling interests	1.0	0.8	1.5	0.8
Net income attributable to Conagra Brands, Inc.	$ 260.5	$ 131.6	$ 434.3	$ 309.8
Earnings per share — basic
Income from continuing operations attributable to Conagra Brands, Inc. common stockholders	$ 0.53	$ 0.32	$ 0.89	$ 0.76
Loss from discontinued operations attributable to Conagra Brands, Inc. common stockholders	0	(0.01)	0	0
Net income attributable to Conagra Brands, Inc. common stockholders	0.53	0.31	0.89	0.76
Earnings per share — diluted
Income from continuing operations attributable to Conagra Brands, Inc. common stockholders	0.53	0.32	0.89	0.76
Loss from discontinued operations attributable to Conagra Brands, Inc. common stockholders	0	(0.01)	0	0
Net income attributable to Conagra Brands, Inc. common stockholders	$ 0.53	$ 0.31	$ 0.89	$ 0.76