Long-Term Obligations (Details) (USD $)	3 Months Ended
Mar. 29, 2014	Dec. 28, 2013
Debt obligations [Line Items]
Total Long-Term Obligations	$ 42,938,000	$ 38,635,000
Less: Current Maturities	(648,000)	(625,000)
Long-Term Obligations, less Current Maturities	42,290,000	38,010,000
Weighted average interest rate for long-term obligations (in hundredths)	2.54%
Revolving Credit Facility [Member]
Debt obligations [Line Items]
Total Long-Term Obligations	36,640,000	32,260,000
Term of unsecured revolving credit facility	5 years
Borrowing capacity available under committed portion	100,000,000
Additional borrowing capacity	50,000,000
Maturity date	Nov. 01, 2018
Interest rate description	Interest on any loans outstanding under the 2012 Credit Agreement accrues and is payable quarterly in arrears at one of the following rates selected by the Company: (i) the highest of (a) the federal funds rate plus 0.50% plus an applicable margin of 0% to 1%, (b) the prime rate, as defined, plus an applicable margin of 0% to 1% and (c) the Eurocurrency rate, as defined, plus 0.50% plus an applicable margin of 0% to 1% or (ii) the Eurocurrency rate, as defined, plus an applicable margin of 1% to 2%. The applicable margin is determined based upon the ratio of the Company's total debt to earnings before interest, taxes, depreciation, and amortization (EBITDA), as defined in the 2012 Credit Agreement. For this purpose, total debt is defined as total debt less up to $25,000,000 of unrestricted U.S. cash.
Maximum consolidated leverage ratio	3.5
Minimum consolidated interest coverage ratio	3
Remaining borrowing capacity	62,194,000
Face amount of debt	100,000,000
Revolving Credit Facility [Member] \| Federal Funds Rate [Member]
Debt obligations [Line Items]
Basis spread on variable rate	federal funds rate
Basis spread on variable rate (in hundredths)	0.50%
Revolving Credit Facility [Member] \| Federal Funds Rate [Member] \| Minimum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	0.00%
Revolving Credit Facility [Member] \| Federal Funds Rate [Member] \| Maximum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving Credit Facility [Member] \| Prime Rate [Member]
Debt obligations [Line Items]
Basis spread on variable rate	prime rate
Revolving Credit Facility [Member] \| Prime Rate [Member] \| Minimum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	0.00%
Revolving Credit Facility [Member] \| Prime Rate [Member] \| Maximum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving Credit Facility [Member] \| Eurocurrency Rate [Member]
Debt obligations [Line Items]
Basis spread on variable rate	Eurocurrency rate
Basis spread on variable rate (in hundredths)	0.50%
Revolving Credit Facility [Member] \| Eurocurrency Rate [Member] \| Minimum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	0.00%
Revolving Credit Facility [Member] \| Eurocurrency Rate [Member] \| Maximum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving Credit Facility [Member] \| Eurocurrency Rate Two [Member]
Debt obligations [Line Items]
Basis spread on variable rate	Eurocurrency rate
Revolving Credit Facility [Member] \| Eurocurrency Rate Two [Member] \| Minimum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving Credit Facility [Member] \| Eurocurrency Rate Two [Member] \| Maximum [Member]
Debt obligations [Line Items]
Margin rate of debt instrument (in hundredths)	2.00%
Commercial Real Estate Loan [Member]
Debt obligations [Line Items]
Total Long-Term Obligations	6,250,000	6,375,000
Other Loan [Member]
Debt obligations [Line Items]
Total Long-Term Obligations	$ 48,000	$ 0

Applicable marginal rate of debt instrument basis spread.

No definition available.

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- Definition

The additional amount available over and above the maximum borrowing capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

The maximum consolidated leverage ratio under the negative covenants of the credit facility.

+ References

No definition available.

+ Details

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- Definition

The minimum consolidated interest charge coverage ratio (calculated as income before interest and taxes, divided by interest) to be in compliance with the financial covenant under an existing debt agreement.

+ References

No definition available.

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- Definition

The term of the unsecured revolving credit facility agreement and commercial real estate loan.

+ References

No definition available.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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-Name Accounting Principles Board Opinion (APB)

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-Paragraph 16, 20

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Paragraph 2, 4

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Number 210

-Section 02

-Paragraph 19, 22

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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-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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-Number 210

-Section 02

-Paragraph 19, 22

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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

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-Number 210

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-Paragraph 20, 22

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Name Regulation S-X (SX)

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Number 210

-Section 02

-Paragraph 22

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of long-term debt outstanding by type or by instrument at that time.

+ References

No definition available.

+ Details

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