Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Net sales	$ 251,578	$ 177,544	$ 417,382	$ 342,614
Cost of sales	162,910	99,974	257,362	197,916
Gross profit	88,668	77,570	160,020	144,698
Selling, general and administrative expenses	82,347	35,397	117,134	67,818
Engineering, research and development expenses	21,581	13,427	37,271	25,600
Amortization of intangible assets	9,390	2,359	11,726	4,646
Contingent consideration fair value adjustment	(1,282)	0	(1,282)	0
Operating (loss) income	(23,368)	26,387	(4,829)	46,634
Interest expense	12,537	40	12,566	44
Interest income	(192)	(54)	(415)	(179)
Other expense (income), net	1,351	(896)	1,529	(2,123)
(Loss) income before income taxes	(37,064)	27,297	(18,509)	48,892
Income tax (benefit) expense	(22,445)	7,516	(18,202)	12,714
Equity in net loss of affiliates	50	0	50	0
Net (loss) income	$ (14,669)	$ 19,781	$ (357)	$ 36,178
Basic net (loss) income per common share	$ (0.11)	$ 0.14	$ 0.00	$ 0.26
Diluted net (loss) income per common share	$ (0.11)	$ 0.14	$ 0.00	$ 0.26
Weighted shares outstanding:
Basic	139,238	139,255	139,083	139,140
Diluted	139,238	139,751	139,083	139,791