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Operational Efficiency Initiatives - Narrative - (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 02, 2016 USD ($) | Oct. 01, 2016 distribution_center position | Dec. 31, 2016 USD ($) | Jan. 02, 2016 USD ($) | Jan. 03, 2015 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance charges |  |  | $ 1,441 | $ 1,432 | $ 2,067
Restructuring Charges |  |  | 7,000 |  |
Operational Efficiency Initiatives | Facility Lease Obligation |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Number of stores closed | distribution_center |  | 4 |  |  |
Number of positions eliminated | position |  | 60 |  |  |
Selling, general and administrative expenses | Operational Efficiency Initiatives |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  | 3,600 |  |
Selling, general and administrative expenses | Operational Efficiency Initiatives | Facility Lease Obligation |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance charges | $ 1,200 |  | 1,200 |  |
Cost of Sales | Operational Efficiency Initiatives |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  | $ 2,200 |  |

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