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Acquisition of Cedar Creek - Proforma Income Statement (Details) - Cedar Creek - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Business Acquisition [Line Items]
Net sales	$ 678,665	$ 859,776	$ 2,023,814	$ 2,592,597
Net income (loss)	$ (5,194)	$ (6,219)	$ 937	$ (5,455)
Earnings (loss) per common share:
Basic (in dollars per share)	$ (0.55)	$ (0.67)	$ 0.10	$ (0.59)
Diluted (in dollars per share)	$ (0.55)	$ (0.67)	$ 0.10	$ (0.59)

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

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

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