Consolidated Statements of Equity (Parenthetical) (USD $)	3 Months Ended	12 Months Ended
Apr. 27, 2011	Apr. 27, 2011	Apr. 28, 2010	Apr. 29, 2009
Statement of Stockholders' Equity [Abstract]
Preferred stock dividend, per share		$ 1.70	$ 1.70	$ 1.70
Common stock dividend, per share	$ 0.45	$ 1.80	$ 1.68	$ 1.66
Unrealized translation adjustments	337,075,000	337,075,000
Pension and post-retirement benefits net prior service cost	(7,232,000)	(7,232,000)
Pension and post-retirement benefits net losses	(619,708,000)	(619,708,000)
Deferred net losses on derivative financial instruments	$ (9,699,000)	$ (9,699,000)

Pension and post-retirement benefits net losses.

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Pension And Post retirement Benefits Net Prior Service Cost.

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- Definition

Preferred stock Dividend, per share.

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- Definition

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 26

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- Definition

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 52
-Paragraph 12, 13

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 52
-Paragraph 31
-Subparagraph a

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 17, 18, 19, 22, 23, 24, 25, 26

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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