Consolidated Statements of Earnings (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Net sales:
Net sales of tangible products	$ 282,643	$ 249,919	$ 814,584	$ 714,949
Revenue from services and software	20,629	13,604	65,377	38,671
Total net sales	303,272	263,523	879,961	753,620
Cost of sales:
Cost of sales of tangible products	141,842	128,191	409,253	370,966
Cost of services and software	9,924	6,722	29,095	20,072
Total cost of sales	151,766	134,913	438,348	391,038
Gross profit	151,506	128,610	441,613	362,582
Operating expenses:
Selling and marketing	36,781	34,395	107,952	101,740
Research and development	25,225	22,376	71,792	67,435
General and administrative	24,741	22,452	79,453	71,781
Amortization of intangible assets	2,597	1,831	7,936	5,557
Acquisition and integration costs	35,326	268	60,617	1,368
Exit and restructuring costs	(120)	519	434	3,515
Total operating expenses	124,550	81,841	328,184	251,396
Operating income	26,956	46,769	113,429	111,186
Other income (expense):
Investment income (loss)	(2,448)	550	(1,648)	1,700
Foreign exchange loss	(83)	(173)	(332)	(733)
Forward swaps gain/(loss)	185	0	(2,248)	0
Other, net	196	(5)	147	1,468
Total other income (expense)	(2,150)	372	(4,081)	2,435
Income from continuing operations before income taxes	24,806	47,141	109,348	113,621
Income taxes	9,861	8,541	25,240	20,921
Income from continuing operations	14,945	38,600	84,108	92,700
Income from discontinued operations, net of tax	0	0	0	8
Net income	$ 14,945	$ 38,600	$ 84,108	$ 92,708
Basic earnings per share:
Income from continuing operations	$ 0.29	$ 0.76	$ 1.66	$ 1.82
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income	$ 0.29	$ 0.76	$ 1.66	$ 1.82
Diluted earnings per share:
Income from continuing operations	$ 0.29	$ 0.76	$ 1.64	$ 1.81
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income	$ 0.29	$ 0.76	$ 1.64	$ 1.81
Basic weighted average shares outstanding	50,835	50,590	50,615	50,808
Diluted weighted average and equivalent shares outstanding	51,461	50,924	51,251	51,171