Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Revenue:
Product and maintenance	$ 1,578,944	$ 1,479,151	$ 1,357,934
Services	123,147	101,781	102,182
Total revenue	1,702,091	1,580,932	1,460,116
Costs and expenses:
Cost of product and maintenance	155,659	156,333	132,245
Cost of service	82,794	67,373	67,956
Marketing and sales	402,432	399,688	378,157
Research and development	637,567	603,006	534,022
General and administrative	109,982	113,619	121,314
Amortization of acquired intangibles	23,716	24,017	19,416
Restructuring and other charges	4,511	10,252	17,999
Total costs and expenses	1,416,661	1,374,288	1,271,109
Income from operations	285,430	206,644	189,007
Interest expense	(28,311)	(34,121)	(37,581)
Other income, net	10,477	8,479	7,570
Income before provision (benefit) for income taxes	267,596	181,002	158,996
Provision (benefit) for income taxes	15,179	22,104	(5,247)
Net income	$ 252,417	$ 158,898	$ 164,243
Net income per share - basic (in usd per share)	$ 0.88	$ 0.56	$ 0.59
Net income per share - diluted (in usd per share)	$ 0.81	$ 0.52	$ 0.56
Weighted average common shares outstanding - basic (shares)	288,018	283,349	277,796
Weighted average common shares outstanding - diluted (shares)	312,302	306,775	294,564