Income Taxes Income Taxes Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 3,460	$ 2,077	$ 742
Increases related to current-year tax positions	330	326	1,277
Increases related to prior-year tax positions	87	1,594	113
Decreases related to prior-year tax positions	(1,038)	0	0
Lapse of statute of limitations	0	(333)	(55)
Settlements with taxing authorities	0		0
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities		(204)
Ending balance	2,839	3,460	$ 2,077
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 3,000	$ 4,000

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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