CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Oct. 30, 2011	Oct. 31, 2010
Cash flows from operating activities:
Net income	$ 202.8	$ 220.0
Adjustments to reconcile net cash flows from operating activities:
Depreciation and amortization	122.3	116.9
Gain on sale of property, plant and equipment, including breeding stock	(25.3)	(17.3)
Equity in income of affiliates	(10.7)	(29.1)
Pension expense	28.6	41.0
Pension contributions	(132.1)	(101.1)
Changes in operating assets and liabilities and other, net	(251.9)	7.4
Net cash flows (used by) from operating activities	(66.3)	237.8
Cash flows from investing activities:
Capital expenditures	(139.4)	(68.3)
Net disposals of breeding stock	9.9	19.9
Other	4.8	10.9
Net cash flows used by investing activities	(124.7)	(37.5)
Cash flows from financing activities:
Principal payments on long-term debt and capital lease obligations	(124.1)	(230.7)
Net proceeds on revolving credit facilities and notes payable	176.0	35.3
Repurchase of common stock	(110.6)	0
Change in cash collateral	23.9	(27.7)
Debt issuance costs and other	(10.9)	0.3
Net cash flows used by financing activities	(45.7)	(222.8)
Effect of foreign exchange rate changes on cash	(1.6)	0.5
Net change in cash and cash equivalents	(238.3)	(22.0)
Cash and cash equivalents at beginning of period	374.7	451.2
Cash and cash equivalents at end of period	$ 136.4	$ 429.2