Pensions and Other Post-Retirement Benefits 3 (Details) (USD $) In Thousands	Apr. 27, 2011	Apr. 28, 2010
Pension Benefits [Member]
Benefit obligation recognized in consolidated balance sheet
Other non-current assets	$ 644,598	$ 424,554
Other accrued liabilities	(31,589)	(12,842)
Other non-current liabilities	(116,444)	(127,725)
Net amount recognized	496,565	283,987
Other Retiree Benefits [Member]
Benefit obligation recognized in consolidated balance sheet
Other non-current assets	0	0
Other accrued liabilities	(18,259)	(18,874)
Other non-current liabilities	(216,171)	(216,423)
Net amount recognized	$ (234,430)	$ (235,297)

The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph c

+ Details

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- Definition

The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph c

+ Details

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- Definition

For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

+ References

+ Details

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- Definition

This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph c

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 6

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 3

+ Details

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