CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jul. 05, 2015	Jul. 03, 2016	Jul. 05, 2015
Revenues:
Products	$ 456,832	$ 437,243	$ 814,972	$ 709,568
Services	74,960	75,496	147,815	145,572
Total revenues	531,792	512,739	962,787	855,140
Cost of revenues:
Cost of products	215,795	181,491	383,350	300,487
Cost of services	33,127	32,680	66,234	63,662
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below)	248,922	214,171	449,584	364,149
Gross profit	282,870	298,568	513,203	490,991
Operating expenses:
Engineering and development	76,109	75,832	149,573	147,282
Selling and administrative	81,425	77,073	160,599	149,114
Acquired intangible assets amortization	16,244	15,258	36,238	29,066
Acquired intangible assets impairment	83,339		83,339
Goodwill impairment	254,946		254,946
Restructuring and other	2,608	(385)	4,195	(385)
Total operating expenses	514,671	167,778	688,890	325,077
(Loss) income from operations	(231,801)	130,790	(175,687)	165,914
Non-operating (income) expense:
Interest income	(1,666)	(1,674)	(3,308)	(3,490)
Interest expense	691	444	1,401	606
Other (income) expense, net	(9)	(116)	(155)	(5,776)
(Loss) income before income taxes	(230,817)	132,136	(173,625)	174,574
Income tax (benefit) provision	(7,271)	29,257	(65)	38,908
Net (loss) income	$ (223,546)	$ 102,879	$ (173,560)	$ 135,666
Net (loss) income per common share:
Basic	$ (1.10)	$ 0.48	$ (0.85)	$ 0.63
Diluted	$ (1.10)	$ 0.48	$ (0.85)	$ 0.62
Weighted average common shares-basic	203,018	213,845	203,645	215,516
Weighted average common shares-diluted	203,018	215,496	203,645	217,154
Cash dividend declared per common share	$ 0.06	$ 0.06	$ 0.12	$ 0.12