Acquisition Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue	$ 242,572	$ 243,150	$ 469,083	$ 458,054
Business Acquisition, Pro Forma Net Income (Loss)	$ 9,751	$ (2,347)	$ 12,537	$ (10,430)
Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted	$ 0.22	$ (0.07)	$ 0.28	$ (0.30)

Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

+ Details

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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- References

No definition available.

+ Details

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