Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Revenue
Product revenue	$ 1,498,070	$ 1,474,674	$ 1,319,510
Service revenue	668,162	640,531	598,998
Total revenue	2,166,232	2,115,205	1,918,508
Cost of product revenue	783,584	762,989	686,812
Cost of service revenue	405,674	389,010	383,896
Selling, general and administrative expenses	585,850	632,734	624,393
Research and development expenses	133,023	132,639	115,821
Restructuring and contract termination charges, net	33,928	25,137	13,452
Asset impairment	6,731	74,153	3,006
Operating income from continuing operations	217,442	98,543	91,128
Interest and other expense (income), net	64,110	47,956	26,774
Income from continuing operations before income taxes	153,332	50,587	64,354
Provision for income taxes	(14,592)	(17,854)	63,182
Income from continuing operations	167,924	68,441	1,172
Gain (loss) on disposition of discontinued operations before income taxes	(1,810)	2,405	1,999
(Benefit from) provision for income taxes on discontinued operations and dispositions	(1,098)	906	(4,484)
Net income from discontinued operations and dispositions	(712)	1,499	6,483
Net income	$ 167,212	$ 69,940	$ 7,655
Basic earnings per share:
Continuing operations	$ 1.50	$ 0.60	$ 0.01
Discontinued operations	$ (0.01)	$ 0.01	$ 0.06
Net Income	$ 1.49	$ 0.61	$ 0.07
Diluted earnings per share:
Continuing operations	$ 1.48	$ 0.60	$ 0.01
Discontinued operations	$ (0.01)	$ 0.01	$ 0.06
Net income	$ 1.47	$ 0.61	$ 0.07