Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Net Sales	$ 167,650	$ 155,542	$ 137,975
Costs and Expenses
Cost of products sold	123,383	112,068	96,912
Selling, administrative and general expenses	27,357	27,775	22,938
Amortization	2,327	2,881	2,621
Operating Income	14,583	12,818	15,504
Other Income (Expense)
Interest expense	(834)	(470)	(447)
Equity in earnings of affiliates	1,672	2,993	3,923
Other income	121	333	803
Income Before Income Taxes from Continuing Operations	15,542	15,674	19,783
Provision for Income Taxes from Continuing Operations	4,049	4,068	6,438
Net Income from Continuing Operations	11,493	11,606	13,345
Discontinued Operations
Loss from operations	0	0	(611)
Loss on classification as held for sale	0	0	(12,945)
Gain on disposal (includes $2,565 of accumulated other comprehensive income reclassification from foreign currency translation adjustment)	0	0	5,929
Provision (benefit) for income taxes	0	0	(6,099)
Net Loss from Discontinued Operations	0	0	(1,528)
Net Income	$ 11,493	$ 11,606	$ 11,817
Basic Earnings Per Share Data:
Income from continuing operations	$ 0.81	$ 0.82	$ 0.96
Loss from discontinued operations	0	0	(0.11)
Net Income	0.81	0.82	0.85
Diluted Earnings Per Share Data:
Income from continuing operations	0.8	0.82	0.95
Loss from discontinued operations	0	0	(0.11)
Net Income	$ 0.8	$ 0.82	$ 0.84