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Employee Benefit Plans - Weighted Average Assumption Used (Detail)	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Weighted average assumptions used to determine net periodic benefit cost
Discount rate	4.70%	5.30%	5.60%
Expected return on plan assets	5.70%	5.90%	6.60%
Rate of compensation	2.00%	2.00%	2.00%
Weighted average assumptions used to determine benefit obligations
Discount rate	4.00%	4.70%	5.30%
Rate of compensation	2.00%	2.00%	2.00%

X

- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

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X

- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

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- Definition

The interest rate used to adjust for the time value of money.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph j

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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- Definition

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-Number 87

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

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-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.



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-Glossary Expected Long-Term Rate of Return on Plan Assets

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Expected rate of compensation increases (for pay-related plans).

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