Dollar value of shares repurchased to cover withholding taxes on the gross value of shares that vested.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Number of shares of common and preferred stock retired from treasury during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Transactions With Related Parties (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands			12 Months Ended
	Mar. 08, 2019	May 06, 2016	Dec. 28, 2018	Dec. 29, 2017	Dec. 30, 2016
Related Party Transaction [Line Items]
Repurchase of common stock		1,500
Total cost			$ 1,204	$ 11,298	$ 30,065
Purchase price per share		$ 14.77
Director [Member]
Related Party Transaction [Line Items]
Repurchase of common stock			59
Total cost			$ 1,200
Purchase price per share			$ 20.13
Director and CFO [Member]
Related Party Transaction [Line Items]
Repurchase of common stock			53
Total cost			$ 1,000
Purchase price per share			$ 18.33
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
Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Repurchase of common stock		697
Restricted Stock Units (RSUs) [Member] \| Chief Operating Officer [Member]
Related Party Transaction [Line Items]
Purchase of shares to cover withholding taxes			73
Value of purchased shares to cover withholding taxes			$ 1,300
Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Related Party Transaction [Line Items]
Purchase of shares to cover withholding taxes			73
Value of purchased shares to cover withholding taxes			$ 1,300
Restricted Stock Units (RSUs) [Member] \| Chief Executive Officer [Member]
Related Party Transaction [Line Items]
Purchase of shares to cover withholding taxes			73
Value of purchased shares to cover withholding taxes			$ 1,300
Subsequent Event [Member] \| Director and Executives [Member]
Related Party Transaction [Line Items]
Repurchase of common stock	28
Total cost	$ 500
Purchase price per share	$ 16.25