Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Aug. 26, 2018	Aug. 27, 2017
Net income
Pre-Tax Amount	$ 235.6	$ 273.4
Tax (Expense) Benefit	(57.4)	(120.1)
Net income	178.2	153.3
Unrealized derivative adjustments
Pre-Tax Amount	(57.9)	0.0
Tax (Expense) Benefit	14.5	0.0
After-Tax Amount	(43.4)	0.0
Unrealized gains on available-for-sale securities
Pre-Tax Amount	0.0	0.3
Tax (Expense) Benefit	0.0	(0.1)
After-Tax Amount	0.0	0.2
Unrealized currency translation gains (losses)
Pre-Tax Amount	(3.0)	32.6
Tax (Expense) Benefit	0.0	(0.1)
After-Tax Amount	(3.0)	32.5
Unrealized pension and post-employment benefit obligations
Pre-Tax Amount	(0.4)	0.1
Tax (Expense) Benefit	0.0	0.0
After-Tax Amount	(0.4)	0.1
Reclassification for pension and post-employment benefit obligations included in net income
Pre-Tax Amount	(0.2)	(0.1)
Tax (Expense) Benefit	0.1	0.0
After-Tax Amount	(0.1)	(0.1)
Comprehensive income
Pre-Tax Amount	174.1	306.3
Tax (Expense) Benefit	(42.8)	(120.3)
After-Tax Amount	131.3	186.0
Comprehensive income (loss) attributable to noncontrolling interests
Pre-Tax Amount	(2.1)	2.0
Tax (Expense) Benefit	(0.2)	(0.2)
After-Tax Amount	(2.3)	1.8
Comprehensive income attributable to Conagra Brands, Inc.
Pre-Tax Amount	176.2	304.3
Tax (Expense) Benefit	(42.6)	(120.1)
After-Tax Amount	$ 133.6	$ 184.2