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Mortgage (Detail Textuals) (USD $)			1 Months Ended	3 Months Ended			6 Months Ended
	Jun. 29, 2013	Dec. 29, 2012	Sep. 19, 2012 Mortgage	Mar. 30, 2013 Mortgage	Sep. 29, 2012 Mortgage	Mar. 31, 2012 Mortgage	Jun. 29, 2013 Mortgage Facility Building
Debt Instrument [Line Items]
Mortgage loan with German American Capital Corporation							$ 295,000,000
Mortgage loan term							10 years
Mortgage loan balance	201,804,000	206,000,000
Distribution facilities							51
Number of office building owned by special purpose							1
Mortgage interest rate							6.35%
Payment of indebtedness under the mortgage			11,800,000
Collateral to be remitted to mortgage company after amendment of mortgage			10,000,000
Collateral to be remitted to borrower after amendment of mortgage			10,000,000
Funds transferred as collateral in next twelve months			13,400,000
Funds transferred as collateral for mortgage loans used to reduce principal amount			600,000
Funds transferred as collateral for mortgage loans remitted for use			10,000,000
Debt fees						300,000
Increase in restricted cash in 2012					12,800,000	300,000
Restricted cash used to reduce the mortgage principal				$ 3,400,000

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Represents collateral to be remitted to mortgage company after amendment of mortgage.

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- Definition

Represents collateral to be remitted to borrower after amendment of mortgage.

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- Definition

Represents the funds expected to be transferred as collateral for mortgage loans over the next 12 months.

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- Definition

Represents the funds transferred as collateral for mortgage loans remitted for use as indicated in the amendment.

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- Definition

Represents the funds transferred as collateral for mortgage loans used to reduce principal amount.

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- Definition

Initial amount of borrowings under the mortgage when the mortgage was initially executed prior to deducting any payments of principal.

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- Definition

Mortgage loan secured by number of distribution facilities

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Mortgage loan secured by number of office building.

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Mortgage loan term period.

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Prepayments of indebtedness under the mortgage.

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Restricted cash used to reduce mortgage principal.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



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Contractual interest rate for funds borrowed, under the debt agreement.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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