Amount of the total principal payments to be made at final maturity of debt.

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Applicable marginal rate of debt instrument basis spread.

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

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The maximum amount of unrestricted U.S. cash that can be netted against total debt.

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No definition available.

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

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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.

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No definition available.

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

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No definition available.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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

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Amount of the required periodic payments applied to principal.

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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.

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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.

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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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Weighted average interest rate of long-term debt outstanding.

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No definition available.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Short- and Long-Term Obligations - Additional Information (Details) - USD ($)	Nov. 01, 2013	Aug. 03, 2012	May. 04, 2006	Jan. 02, 2016	Jan. 03, 2015
Debt Instrument [Line Items]
Weighted average interest rate for long-term obligations (in hundredths)				2.58%	2.38%
Short-term obligations (Note 6)				$ 5,250,000	$ 611,000
Unamortized debt issuance costs				380,000
Commercial real estate loan
Debt Instrument [Line Items]
Short-term obligations (Note 6)				5,250,000
Revolving credit facility
Debt Instrument [Line Items]
Terms of debt agreements		5 years
Borrowing capacity available under committed portion		$ 100,000,000		100,000,000
Additional borrowing capacity		$ 50,000,000
Maturity date	Nov. 01, 2018
Maximum amount of unrestricted U.S. cash				25,000,000
Maximum consolidated leverage ratio	3.5
Minimum consolidated interest coverage ratio	3
Long-term debt				26,000,000
Remaining borrowing capacity				$ 72,102,000
Revolving credit facility \| Federal funds rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percentage)	0.50%
Revolving credit facility \| Federal funds rate \| Minimum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	0.00%
Revolving credit facility \| Federal funds rate \| Maximum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving credit facility \| Prime rate \| Minimum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	0.00%
Revolving credit facility \| Prime rate \| Maximum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving credit facility \| Eurocurrency rate
Debt Instrument [Line Items]
Basis spread on variable rate (as a percentage)	0.50%
Revolving credit facility \| Eurocurrency rate \| Minimum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	0.00%
Revolving credit facility \| Eurocurrency rate \| Maximum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving credit facility \| Eurocurrency rate two \| Minimum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	1.00%
Revolving credit facility \| Eurocurrency rate two \| Maximum
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)	2.00%
Commercial real estate loan
Debt Instrument [Line Items]
Terms of debt agreements			10 years
Face amount of debt instrument			$ 10,000,000
Quarterly payment of principal			125,000
Amount due at maturity			$ 5,000,000
Commercial real estate loan \| Three month LIBOR
Debt Instrument [Line Items]
Margin rate of debt instrument (in hundredths)			0.75%