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Equipment and Leasehold Improvements - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended							3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			12 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended
	Sep. 27, 2013	Sep. 28, 2012	Sep. 27, 2013	Sep. 28, 2012	Dec. 28, 2012	Sep. 27, 2013 Computers, data processing and other equipment	Dec. 28, 2012 Computers, data processing and other equipment	Sep. 27, 2013 Vehicles	Dec. 28, 2012 Vehicles	Sep. 27, 2013 Assets Held under Capital Leases	Sep. 28, 2012 Assets Held under Capital Leases	Sep. 27, 2013 Assets Held under Capital Leases	Sep. 28, 2012 Assets Held under Capital Leases	Sep. 27, 2013 Equipment and Leasehold Improvements	Sep. 28, 2012 Equipment and Leasehold Improvements	Sep. 27, 2013 Equipment and Leasehold Improvements	Sep. 28, 2012 Equipment and Leasehold Improvements	Sep. 27, 2013 Capitalized Software	Dec. 28, 2012 Capitalized Software	Sep. 27, 2013 Software	Dec. 28, 2012 Software	Sep. 27, 2013 Software	Dec. 28, 2012 Software	Sep. 27, 2013 Bronx Distribution Facility	Sep. 27, 2013 JD Edwards ERP system
Property, Plant and Equipment [Line Items]
Expected finishing cost of construction																								$ 21,000	$ 4,000
Assets financed by capital lease						820	820	679	679
Depreciation			1,925	1,446						52	28	159	86	520	429	1,597	1,206			55	61	169	161
Capitalized software costs, gross	1,613		1,613		1,613
Accumulated amortization																		1,455	1,286
Interest expense	2,238		5,598
Interest costs capitalized	$ 27	$ 8	$ 55	$ 8

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Accumulated Amortization On Leased Assets

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Expected Construction Costs

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- Definition

Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

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-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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Amount of interest capitalized during the period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Allowance for Funds Used during Construction

-URI http://asc.fasb.org/extlink&oid=6504829



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

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The amount of cash paid during the current period for interest that is capitalized.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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