CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net sales	$ 132,976	$ 137,699	$ 404,131	$ 414,463
Cost of products sold (excluding depreciation and amortization)	84,804	90,106	256,636	272,822
Depreciation and amortization	8,624	7,570	25,788	22,124
Selling, general and administrative expenses	20,713	19,544	62,813	59,181
Research and development expenses	1,867	1,638	4,841	4,794
Restructuring income		(27)		(252)
Total costs and expenses	116,008	118,831	350,078	358,669
Income from operations	16,968	18,868	54,053	55,794
Interest income	6	15	51	56
Interest expense	(254)	(32)	(500)	(196)
Other income (expense) - net	890	(401)	(261)	(1,329)
Income before income tax provision	17,610	18,450	53,343	54,325
Income tax provision	5,504	6,226	17,596	17,089
Net income	12,106	12,224	35,747	37,236
Other comprehensive income (loss), net of tax (Note 8)
Foreign currency translation	(2,490)	(9,207)	(9,462)	(8,112)
Defined benefit pension plans	503	503	1,460	825
Derivatives	(559)	665	(677)	246
Total other comprehensive loss	(2,546)	(8,039)	(8,679)	(7,041)
Total comprehensive income	$ 9,560	$ 4,185	$ 27,068	$ 30,195
Net income per common share
Basic (in dollars per share)	$ 0.23	$ 0.23	$ 0.68	$ 0.70
Diluted (in dollars per share)	0.23	$ 0.23	0.67	$ 0.69
Dividends per common share (in dollars per share)	$ 0.05		$ 0.15
Weighted average shares outstanding
Basic (in shares)	51,890,984	52,856,846	52,216,540	53,132,952
Diluted (in shares)	52,634,325	53,759,306	53,045,376	54,039,057