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Common Stock - Share-based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016 | May 03, 2017 | Mar. 21, 2016
Share-Based Compensation |  |  |  |  |
Adjustments Related to Tax Withholding for Share-based Compensation | $ 3,262 | $ 1,880 | $ 668 |  |
Common Stock Repurchases and Retirements |  |  |  |  |
Share repurchase program, amount authorized to be repurchased |  |  |  | $ 20,000 | $ 20,000
Number of shares repurchased and retired | 554,708 | 783,703 | 477,292 |  |
Aggregate price of shares repurchased and retired | $ 19,528 | $ 19,315 | $ 12,806 |  |
Amount available for future repurchases | $ 9,500 | $ 9,000 | $ 8,100 |  |
Tender Offer |  |  |  |  |
Number of common stock tendered in conjunction with a modified "Dutch Auction" self tender offer (in shares) |  | 1,164 |  |  |
Purchased price for the common stock tendered in conjunction with a modified "Dutch Auction" self tender offer (dollar per share) |  | $ 19.75 |  |  |
Restricted stock |  |  |  |  |
Share-Based Compensation |  |  |  |  |
Vested (in shares) | 211,320 | 201,905 | 106,504 |  |
Redemption of vested restricted shares in order to pay employee tax withholdings (in shares) | 76,181 | 69,000 | 28,900 |  |
Adjustments Related to Tax Withholding for Share-based Compensation | $ 3,300 | $ 1,900 | $ 700 |  |

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- Definition Number of shares tendered in connection with a modified "Dutch Auction" self tender offer. A tender offer is a broad solicitation by an Entity or a third party to purchase a substantial percentage of another entity's shares or units for a limited period of time. The offer is at a fixed price, usually at a premium over the current market price, and is contingent on shareholders' tendering a fixed number of their shares or units. + References No definition available. + Details
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