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Income Taxes - Components of Net Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Deferred income tax assets: |  |  |
Inventory reserves | $ 1,654 | $ 2,088 |
Compensation-related accruals | 3,692 | 4,465 |
Accruals and reserves | 72 | 112 |
Accounts receivable | 443 | 656 |
Intangible assets | 0 | 583 |
Property and equipment | 4,614 | 1,134 |
Pension | 7,011 | 10,747 |
Benefit from net operating loss (“NOL”) carryovers | 46,873 | 78,236 |
Other | 285 | 194 |
Total gross deferred income tax assets | 64,644 | 98,215 |
Less: valuation allowances | (10,415) | (97,552) | $ (103,311)
Total net deferred income tax assets | 54,229 | 663 |
Deferred income tax liabilities: |  |  |
Other | (376) | (663) |
Total deferred income tax liabilities | (376) | (663) |
Deferred Income Tax Assets, Net | 53,853 | $ 0 |
Operating Loss Carryforwards [Line Items] |  |  |
Federal NOL carryovers | 158,200 |  |
State NOL carryovers | $ 245,700 |  |
Minimum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Federal operating loss carryforwards expiration term | 13 years |  |
State operating loss carryforwards expiration term | 1 year |  |
Maximum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Federal operating loss carryforwards expiration term | 18 years |  |
State operating loss carryforwards expiration term | 20 years |  |

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