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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

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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+ References

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+ References

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