CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jan. 27, 2013	Jan. 29, 2012
Cash flows from operating activities:
Net income	$ 154.1	$ 281.8
Adjustments to reconcile net cash flows from operating activities:
Depreciation and amortization	176.1	182.4
Loss (gain) on sale of property, plant and equipment, including breeding stock	11.0	(25.3)
(Income) loss from equity method investments	(13.8)	11.3
Pension expense	72.0	42.9
Pension contributions	(8.6)	(132.1)
Changes in operating assets and liabilities and other, net	(335.8)	(150.3)
Net cash flows from operating activities	55.0	210.7
Cash flows from investing activities:
Capital expenditures	(194.9)	(199.0)
Business acquisition, net of cash acquired	(23.1)	0
Net (expenditures) proceeds from breeding stock transactions	(14.4)	4.3
Proceeds from the sale of property, plant and equipment	14.9	5.6
Other	0	(0.1)
Net cash flows from investing activities	(217.5)	(189.2)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	1,019.2	0
Principal payments on long-term debt and capital lease obligations	(714.6)	(149.7)
Net proceeds from revolving credit facilities and notes payable	72.1	18.4
Repurchase of common stock	(386.4)	(110.6)
Change in cash collateral	0	23.9
Debt issuance costs and other	(16.7)	(9.9)
Net cash flows from financing activities	(26.4)	(227.9)
Effect of foreign exchange rate changes on cash	3.2	(4.7)
Net change in cash and cash equivalents	(185.7)	(211.1)
Cash and cash equivalents at beginning of period	324.3	374.7
Cash and cash equivalents at end of period	$ 138.6	$ 163.6