Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Net sales	$ 210,317,000	$ 196,249,000
Costs and expenses:
Cost of goods sold	138,884,000	127,512,000
Selling and administrative expenses	52,018,000	50,724,000
Interest expense	519,000	484,000
Total costs and expenses	191,421,000	178,720,000
Income before taxes on income	18,896,000	17,529,000
Taxes on income	5,830,000	6,180,000
Net income	$ 13,066,000	$ 11,349,000
Weighted average number of shares outstanding during the period
(Basic) (in shares)	13,761,009	13,298,452
(Diluted) (in shares)	14,578,644	13,864,698
Basic
Net earnings (in dollars per share)	$ 0.95	$ 0.85
Diluted
Net earnings (in dollars per share)	$ 0.90	$ 0.82
Other comprehensive income (loss), net of tax:
Recognition of net losses included in net periodic pension costs	$ 499,000	$ 211,000
Recognition of settlement loss included in net periodic pension costs	297,000	134,000
Current period (loss) gains	(1,410,000)	(3,050,000)
Gain (loss) on cash flow hedging activities	37,000	(26,000)
Other comprehensive loss	(577,000)	(2,731,000)
Comprehensive income	$ 12,489,000	$ 8,618,000
Dividends per common share (in dollars per share)	$ 0.315	$ 0.285