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Employee Retirement and Profit Sharing Plans (Details 7) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Mar. 26, 2011	Mar. 27, 2010
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	$ 17,344	$ 17,274	$ 15,361
U.S. Companies Equity Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	7,450	8,235
International Companies Equity Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	2,972	3,053
U.S. treasuries/agencies [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets		947
U.S. Corporate Debt Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	6,058	4,294
International bonds [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	309	315
Cash and Cash Equivalents [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	555	430
Quoted prices in active markets for identical assets (Level 1) [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	10,422	11,288
Quoted prices in active markets for identical assets (Level 1) [Member] | U.S. Companies Equity Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	7,450	8,235
Quoted prices in active markets for identical assets (Level 1) [Member] | International Companies Equity Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	2,972	3,053
Significant other observable inputs (Level 2) [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	6,922	5,986
Significant other observable inputs (Level 2) [Member] | U.S. treasuries/agencies [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets		947
Significant other observable inputs (Level 2) [Member] | U.S. Corporate Debt Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	6,058	4,294
Significant other observable inputs (Level 2) [Member] | International bonds [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	309	315
Significant other observable inputs (Level 2) [Member] | Cash and Cash Equivalents [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets	555	430
Significant unobservable inputs (Level 3)
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets
Significant unobservable inputs (Level 3) | U.S. Companies Equity Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets
Significant unobservable inputs (Level 3) | International Companies Equity Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets
Significant unobservable inputs (Level 3) | U.S. treasuries/agencies [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets
Significant unobservable inputs (Level 3) | U.S. Corporate Debt Securities [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets
Significant unobservable inputs (Level 3) | International bonds [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets
Significant unobservable inputs (Level 3) | Cash and Cash Equivalents [Member]
Fair Value o f Plan Assets
Fair value measurement of defined benefit plan assets

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- Definition

Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Section 35

-Paragraph 50

-URI http://asc.fasb.org/extlink&oid=6867990&loc=d3e12355-114930



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(iv)(b)(i)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 87

-Paragraph 49

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

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