Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues	$ 2,506,087	$ 2,043,958	$ 1,869,654
Cost of revenues	1,274,222	1,081,494	989,009
Gross profit	1,231,865	962,464	880,645
Research and development	690,294	575,988	562,991
Selling, general and administrative	354,923	295,439	279,126
Restructuring of operations and other items, net	49,091	23,719	9,201
Income from operations	137,557	67,318	29,327
Interest expense			(5,601)
Interest income and other, net	37,711	26,472	13,848
Income from continuing operations before income taxes	175,268	93,790	37,574
(Benefit from)/provision for income taxes	(20,960)	3,778	3,170
Income from continuing operations	196,228	90,012	34,404
Income from discontinued operations (including a gain on disposal of $260,066 in 2011), net of tax	0	241,479	5,568
Net income	$ 196,228	$ 331,491	$ 39,972
Basic income per share:
Income from continuing operations	$ 0.35	$ 0.15	$ 0.05
Income from discontinued operations		$ 0.42	$ 0.01
Net income	$ 0.35	$ 0.57	$ 0.06
Diluted income per share:
Income from continuing operations	$ 0.34	$ 0.15	$ 0.05
Income from discontinued operations		$ 0.40	$ 0.01
Net income	$ 0.34	$ 0.55	$ 0.06
Shares used in computing per share amounts:
Basic	559,459	585,704	638,998
Diluted	580,548	600,893	646,324