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Transactions With Related Parties (Details) - USD ($) $ / shares in Units, shares in Thousands |  | 2 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 06, 2016 | Mar. 09, 2018 | Dec. 29, 2017 | Dec. 30, 2016 | Jan. 01, 2016
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock | 1,500 |  | 748 | 2,100 |
Total cost |  |  | $ 11,298,000 | $ 30,065,000 | $ 1,356,000
Purchase price per share | $ 14.77 |  | $ 15.11 | $ 14.60 |
Related party transactions |  |  |  |  | $ 0
Director [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock |  |  | 59 | 25 |
Total cost |  |  | $ 1,200,000 | $ 400,000 |
Purchase price per share |  |  | $ 20.13 | $ 15.68 |
Chief Executive Officer [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock | 697 |  |  |  |
Chief Operating Officer [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock | 732 |  |  |  |
Chief Financial Officer [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock | 73 |  |  |  |
Subsequent Event [Member] | Director [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock |  | 53 |  |  |
Total cost |  | $ 1,000,000 |  |  |
Purchase price per share |  | $ 18.33 |  |  |
Subsequent Event [Member] | Executive Team [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Repurchase of common stock |  | 53 |  |  |
Total cost |  | $ 1,000,000 |  |  |
Purchase price per share |  | $ 18.33 |  |  |

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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