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v3.3.1.900

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% |  |

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