CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended
	Apr. 30, 2011	Apr. 30, 2010
Net revenue:
License and other	$ 323.0	$ 279.8
Maintenance	205.3	194.8
Total net revenue	528.3	474.6
Cost of revenue:
Cost of license and other revenue	42.6	41.2
Cost of maintenance revenue	12.0	10.1
Total cost of revenue	54.6	51.3
Gross profit	473.7	423.3
Operating expenses:
Marketing and sales	201.9	186.5
Research and development	136.6	127.2
General and administrative	56.6	51.7
Restructuring charges		7.1
Total operating expenses	395.1	372.5
Income from operations	78.6	50.8
Interest and other income (expense), net	5.9	(3.4)
Income before income taxes	84.5	47.4
Provision for income taxes	(15.2)	(10.5)
Net income	$ 69.3	$ 36.9
Basic net income per share	$ 0.30	$ 0.16
Diluted net income per share	$ 0.29	$ 0.16
Shares used in computing basic net income per share	228.2	229.0
Shares used in computing diluted net income per share	237.1	234.6