Nature of Operations and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended							4 Months Ended	12 Months Ended
	Dec. 30, 2017	Oct. 07, 2017	Mar. 25, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 09, 2016	Mar. 19, 2016	Jul. 15, 2017	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Net Sales	$ 48,685	$ 42,861	$ 31,866	$ 46,663	$ 39,657	$ 49,822	$ 35,520	$ 53,921	$ 177,333	$ 171,662	$ 159,463
Costs of product sold									$ 132,606	127,395	115,989
Scenario, Previously Reported [Member]
Net Sales										167,650	155,542
Costs of product sold										123,383	112,068
Restatement Adjustment [Member]
Net Sales										4,012	3,921
Costs of product sold										$ 4,012	$ 3,921