Subsequent Events (Details) - USD ($)		3 Months Ended												12 Months Ended
	Mar. 23, 2017	Dec. 31, 2016	Sep. 24, 2016	Jun. 25, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Subsequent Event
Total assets		$ 181,480,000				$ 210,473,000								$ 181,480,000	$ 210,473,000
Total liabilities		157,791,000				157,985,000								157,791,000	157,985,000
Valuation allowance		12,578,000												12,578,000
Net revenues		63,365,000	$ 66,529,000	$ 69,263,000	$ 69,855,000	68,664,000	$ 69,865,000	$ 66,422,000	$ 77,607,000	$ 73,746,000.000	$ 72,556,000.000	$ 71,852,000.000	$ 67,509,000.000	269,012,000	282,558,000	$ 285,663,000
Net revenues pro forma														220,880,000	237,024,000	224,619,000
Net Income (loss)		$ (26,389,000)	$ (2,564,000)	$ (278,000)	$ (1,018,000)	$ (2,460,000)	$ (1,737,000)	$ (1,951,000)	$ (14,635,000)	$ 3,408,000.000	$ 3,084,000.000	$ 2,472,000.000	$ 1,597,000.000	(30,249,000)	(20,783,000)	10,561,000
Net Income pro forma														$ (18,660,000)	$ (327,000)	$ 7,324,000
Diluted (in dollars per share)		$ (1.34)	$ (0.13)	$ (0.01)	$ (0.05)	$ (0.13)	$ (0.09)	$ (0.10)	$ (0.75)	$ 0.17	$ 0.15	$ 0.12	$ 0.08	$ (1.54)	$ (1.06)	$ 0.53
Diluted earnings per share pro forma														$ (0.95)	$ (0.02)	$ 0.37
Fresh Frozen Foods
Subsequent Event
Total assets		$ 32,200,000												$ 32,200,000
Total liabilities		2,000,000												2,000,000
Valuation allowance		$ 12,600,000												$ 12,600,000
Fresh Frozen Foods | Subsequent Event
Subsequent Event
Proceeds from sale of assets	$ 23,700,000
Proceeds from sale of assets, net	$ 19,500,000