Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Revenue:
Product	$ 640,836	$ 471,598	$ 400,773
Services	116,692	100,891	106,555
Maintenance	392,307	363,465	345,304
Total revenue	1,149,835	935,954	852,632
Costs and Expenses:
Cost of product	69,657	31,421	32,114
Cost of services	81,498	82,968	90,536
Cost of maintenance	44,001	42,054	46,593
Marketing and sales	323,798	305,558	286,833
Research and development	400,745	376,413	354,703
General and administrative	92,863	86,394	122,648
Amortization of acquired intangibles	16,536	14,160	11,420
Restructuring and other charges	360	10,152	31,376
Litigation charges		15,800
Total costs and expenses	1,029,458	964,920	976,223
Income (loss) from operations	120,377	(28,966)	(123,591)
Interest expense	(43,025)	(36,343)	(28,872)
Other income (expense), net	18,074	2,541	(1,042)
Income (loss) before provision (benefit) for income taxes	95,426	(62,768)	(153,505)
Provision (benefit) for income taxes	23,197	(189,306)	(3,634)
Net income (loss)	$ 72,229	$ 126,538	$ (149,871)
Net income (loss) per share -- basic	$ 0.27	$ 0.49	$ (0.58)
Net income (loss) per share -- diluted	$ 0.27	$ 0.48	$ (0.58)
Weighted-average common shares outstanding -- basic	263,892	260,787	257,782
Weighted-average common shares outstanding -- diluted	270,816	265,871	257,782