Product Recall (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Net revenues	$ 69,865	$ 72,556	$ 213,894	$ 211,917
Cost of revenues	61,165	59,630	200,869	173,972
Gross profit	8,700	12,926	13,025	37,945
Operating expenses
Selling, general and administrative expenses	9,233	7,570	28,602	24,992
Impairment of intangible asset			9,277
Operating loss	(533)	5,356	(24,854)	12,953
Loss before income taxes	(2,275)	4,710	(28,254)	11,053
Income tax benefit	538	(1,626)	9,931	(3,900)
Net loss	(1,737)	3,084	(18,323)	7,153
Recall-related insurance recoveries	4,200		4,200
Voluntary Product Recall
Cost of revenues	418		16,805
Gross profit	(418)		(16,805)
Operating expenses
Selling, general and administrative expenses	594		2,094
Impairment of intangible asset			9,277
Operating loss	(1,012)		(28,176)
Loss before income taxes	(1,012)		(28,176)
Income tax benefit	240		9,904
Net loss	(772)		(18,272)
Incremental production costs due to utilizing co-packers	1,100		4,200
Actual charges on the product recall	3,500		18,800
Remaining balance for estimated product recall costs	1,500		1,500
Frozen Products
Net revenues	40,466	46,123	126,715	133,916
Gross profit	4,386	7,846	(511)	22,788
Snack Products
Net revenues	29,399	26,433	87,179	78,001
Gross profit	$ 4,314	$ 5,080	13,536	$ 15,157
Customer Relationships | Voluntary Product Recall
Operating expenses
Impairment of intangible asset			$ 9,300