Earnings Per Share (Tables)

9 Months Ended

Feb. 26, 2012

Earnings Per Share [Abstract]

Schedule of reconciliation of income and average share amounts to compute basic and diluted earnings per share

	Thirteen weeks ended					Thirty-nine weeks ended
	February 26, 2012		February 27, 2011			February 26, 2012		February 27, 2011
Net income available to ConAgra Foods, Inc. common stockholders:
Income from continuing operations attributable to ConAgra Foods, Inc. common stockholders	$	271.6	$	225.4		$	528.6	$	569.1
Income (loss) from discontinued operations, net of tax, attributable to ConAgra Foods, Inc. common stockholders		—		(10.6	)		0.1		(7.0	)
Net income attributable to ConAgra Foods, Inc. common stockholders	$	271.6	$	214.8		$	528.7	$	562.1
Less: Increase (decrease) in redemption value of noncontrolling interests in excess of earnings allocated		0.1		(0.8	)		1.1		1.5
Net income available to ConAgra Foods, Inc. common stockholders	$	271.5	$	215.6		$	527.6	$	560.6
Weighted average shares outstanding:
Basic weighted average shares outstanding		414.3		428.4			413.6		435.5
Add: Dilutive effect of stock options, restricted stock awards, and other dilutive securities		5.7		4.4			5.5		4.2
Diluted weighted average shares outstanding		420.0		432.8			419.1		439.7