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Short- and Long-Term Obligations - Narrative (Details) |  | 6 Months Ended |
--- | --- | --- | ---
Nov. 01, 2013 USD ($) | Jul. 04, 2015 USD ($) | Jan. 03, 2015 USD ($)
Debt Instrument [Line Items] |  |  |
Weighted average interest rate for long-term obligations (in hundredths) |  | 2.24% |
Maximum unrestricted domestic cash |  | $ 25,000,000 |
Total short- and long-term debt |  | 28,500,000 | $ 25,861,000
Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
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 |  |
Total short- and long-term debt |  | $ 23,000,000 | $ 20,000,000
Maximum consolidated leverage ratio |  | 3.5 |
Minimum consolidated interest coverage ratio |  | 3 |
Remaining Borrowing Capacity |  | $ 74,825,000 |
Face amount of debt |  | $ 100,000,000 |
Revolving Credit Facility [Member] | Federal Funds Rate [Member] |  |  |
Debt Instrument [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 Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 0.00% |
Revolving Credit Facility [Member] | Federal Funds Rate [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 1.00% |
Revolving Credit Facility [Member] | Prime Rate [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate |  | prime rate |
Revolving Credit Facility [Member] | Prime Rate [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 0.00% |
Revolving Credit Facility [Member] | Prime Rate [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 1.00% |
Revolving Credit Facility [Member] | Eurocurrency Rate [Member] |  |  |
Debt Instrument [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 Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 0.00% |
Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 1.00% |
Revolving Credit Facility [Member] | Eurocurrency Rate Two [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate |  | Eurocurrency rate |
Revolving Credit Facility [Member] | Eurocurrency Rate Two [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 1.00% |
Revolving Credit Facility [Member] | Eurocurrency Rate Two [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable rate (in hundredths) |  | 2.00% |

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