Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 26, 2012	Aug. 28, 2011
Cash flows from operating activities:
Net income	$ 252.2	$ 94.1
Income from discontinued operations		0.1
Income from continuing operations	252.2	94.0
Adjustments to reconcile income from continuing operations to net cash flows from operating activities:
Depreciation and amortization	91.4	91.5
Asset impairment charges	0.3	7.1
Earnings of affiliates less than (in excess of) distributions	1.2	(2.2)
Pension expense	6.1	6.2
Contributions to pension plans	(3.8)	(3.0)
Share-based payments expense	13.1	12.3
Other items	(1.5)	(15.7)
Change in operating assets and liabilities before effects of business acquisitions and dispositions:
Accounts receivable	(35.9)	(63.1)
Inventory	(152.0)	(12.1)
Deferred income taxes and income taxes payable, net	113.5	48.9
Prepaid expenses and other current assets	(33.9)	(3.0)
Accounts payable	53.1	108.9
Accrued payroll	(30.1)	1.6
Other accrued liabilities	50.2	40.6
Net cash flows from operating activities - continuing operations	323.9	312.0
Net cash flows from operating activities - discontinued operations		3.1
Net cash flows from operating activities	323.9	315.1
Cash flows from investing activities:
Additions to property, plant and equipment	(98.6)	(95.6)
Sale of property, plant and equipment	1.9	3.8
Purchase of businesses	(268.6)
Purchase of intangible assets		(57.5)
Net cash flows from investing activities	(365.3)	(149.3)
Cash flows from financing activities:
Net short-term borrowings	232.0
Repayment of long-term debt	(16.9)	(2.5)
Repurchase of ConAgra Foods common shares	(75.0)
Cash dividends paid	(97.9)	(94.3)
Exercise of stock options and issuance of other stock awards	10.8	55.7
Other items	0.2
Net cash flows from financing activities	53.2	(41.1)
Effect of exchange rate changes on cash and cash equivalents	1.7	(1.9)
Net change in cash and cash equivalents	13.5	122.8
Cash and cash equivalents at beginning of period	103.0	972.4
Cash and cash equivalents at end of period	$ 116.5	$ 1,095.2