Productivity Initiatives 1 (Details) (USD $)	6 Months Ended		6 Months Ended			0 Months Ended		6 Months Ended				0 Months Ended	3 Months Ended	6 Months Ended
	Oct. 26, 2011	Apr. 27, 2011	Oct. 26, 2011 Europe [Member] Scenario, Actual [Member] Facility Closing [Member] Productivity Initatives [Member] factories	Oct. 26, 2011 UNITED STATES Scenario, Actual [Member] Facility Closing [Member] Productivity Initatives [Member] factories	Oct. 26, 2011 Asia Pacific [Member] Scenario, Actual [Member] Facility Closing [Member] Productivity Initatives [Member] factories	Nov. 09, 2011 Scenario, Plan [Member] Facility Closing [Member] Restructuring and Related Activities [Member] Productivity Initiative, Additional Plan [Member] factories	Nov. 09, 2011 Scenario, Plan [Member] Restructuring and Related Activities [Member] Productivity Initiative, Additional Plan [Member] Upper Limit [Member] positions	Oct. 26, 2011 Scenario, Plan [Member] Productivity Initiative, Original Plan [Member] Upper Limit [Member] positions	Oct. 26, 2011 Scenario, Plan [Member] Productivity Initiative, Original Plan [Member] Lower Limit [Member] positions	Oct. 26, 2011 Scenario, Actual [Member] Facility Closing [Member] Productivity Initatives [Member] factories	Oct. 26, 2011 Scenario, Actual [Member] Productivity Initatives [Member] positions	Nov. 09, 2011 Restructuring and Related Activities [Member] Productivity Initiative, Additional Plan [Member]	Oct. 26, 2011 Productivity Initatives [Member]	Oct. 26, 2011 Productivity Initatives [Member]	Oct. 26, 2011 Productivity Initiative, Original Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated in Fiscal 2012							1,000	1,000	800
Restructuring and Related Cost, Expected Cash Paid in Fiscal 2012												$ 20,000,000			$ 130,000,000
Restructuring and Related Cost, Expected Cost in Fiscal 2012												55,000,000			160,000,000
Restructuring and Related Cost, Expected Cost, Per Share Amount in Fiscal 2012												$ 0.15			$ 0.35
Restructuring and Related Cost, Incurred Cost													37,300,000	77,800,000
Restructuring and Related Cost, Incurred Cost, After Tax													25,500,000	54,000,000
Restructuring and Related Cost, Incurred Cost, Per Share Amount													$ 0.08	$ 0.17
Asset Impairment Charges													11,800,000	28,600,000
Number of Factories			2	2	1	3				5
Severance Costs													14,100,000	29,000,000
Restructuring and Related Cost, Number of Positions Eliminated											450
Other Restructuring Costs													11,400,000	20,200,000
Restructuring and Related Cost, Incurred Cost, Cost of Products Sold													27,500,000	58,800,000
Restructuring and Related Cost, Incurred Cost, Selling General and Administrative Expense													9,900,000	19,000,000
Restructuring Reserve, Settled with Cash	(29,100,000)
Restructuring Reserve	$ 20,200,000	$ 0