Consolidated Statements of Net Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Apr. 02, 2016	Mar. 28, 2015
Revenue, Net	[1]	$ 219,398	$ 210,313
Cost of sales		132,243	133,983
Gross profit		87,155	76,330
Selling, general and administrative expenses		42,366	36,345
Research and development expenses		8,565	7,384
Amortization of intangibles		3,796	3,053
		54,727	46,782
Operating income		32,428	29,548
Interest expense		2,045	1,151
Foreign exchange loss		3,823	3,117
Other (income) expense, net		(517)	(1,126)
Income before income taxes		27,077	26,406
Income taxes		7,788	6,411
Net income		$ 19,289	$ 19,995
Net income per share (see note 8):
Basic (in dollars per share)		$ 0.86	$ 0.88
Diluted (in dollars per share)		$ 0.85	$ 0.88
Weighted average shares and equivalent shares outstanding:
Basic (in shares)		22,438	22,600
Diluted (in shares)		22,621	22,781
Cash dividends paid per common share (in dollars per share)		$ 0.29	$ 0.25

[1] Sales by country represent sale to customer or distributor locations.