Pension and Other Post-retirement Benefits (Detail) - Benefit payments, expected future service (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012
Pension Plans, Defined Benefit [Member]
2013	$ 3,406
2014	3,372
2015	3,367
2016	3,370
2017	3,273
2018 or later	16,377
Total	33,165
Other Benefits [Member]
2013	85
2014	63
2015	49
2016	45
2017	42
2018 or later	177
Total	$ 461

Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the remainder of the fiscal year following the latest fiscal year ended from a defined benefit plan.

+ References

No definition available.

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

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