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Benefit Plans - Expected Weighted Average Long-Term Rate of Return (Detail)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Target Allocation 2014	100.00%
Percentage of Plan Assets at Fiscal Year-End	100.00%	100.00%
Weighted Average Expected Long-Term Rate of Return - 2013	7.00%
U.S. Large Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation 2014	40.00%
Percentage of Plan Assets at Fiscal Year-End	40.00%	42.00%
Weighted Average Expected Long-Term Rate of Return - 2013	3.50%
U.S. Small/Mid-Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation 2014	5.00%
Percentage of Plan Assets at Fiscal Year-End	5.00%	4.00%
Weighted Average Expected Long-Term Rate of Return - 2013	0.40%
International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation 2014	15.00%
Percentage of Plan Assets at Fiscal Year-End	15.00%	11.00%
Weighted Average Expected Long-Term Rate of Return - 2013	1.40%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation 2014	40.00%
Percentage of Plan Assets at Fiscal Year-End	40.00%	43.00%
Weighted Average Expected Long-Term Rate of Return - 2013	1.70%

X

- 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

-SubTopic 30

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

-URI http://asc.fasb.org/extlink&oid=6512013



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (k)(3)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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X

- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920

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X

- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e2446-114920



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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