CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2014	Oct. 31, 2013
Net revenue:
License and other	$ 320.5	$ 297.5	$ 987.1	$ 934.2
Subscription	297.5	257.7	860.5	753.1
Total net revenue	618.0	555.2	1,847.6	1,687.3
Cost of revenue:
Cost of license and other revenue	51.9	43.4	154.6	130.6
Cost of subscription revenue	34.1	23.7	98.0	71.8
Total cost of revenue	86.0	67.1	252.6	202.4
Gross profit	532.0	488.1	1,595.0	1,484.9
Operating expenses:
Marketing and sales	245.1	203.4	708.1	610.3
Research and development	183.9	149.0	533.7	448.7
General and administrative	78.9	55.8	212.9	158.8
Amortization of purchased intangibles	9.5	7.4	30.5	27.5
Restructuring charges, net	0	4.4	3.1	6.5
Total operating expenses	517.4	420.0	1,488.3	1,251.8
Income from operations	14.6	68.1	106.7	233.1
Interest and other (expense) income, net	(3.0)	1.1	(16.6)	(9.5)
Income before income taxes	11.6	69.2	90.1	223.6
Provision for income taxes	(0.9)	(11.6)	(19.8)	(48.7)
Net income	$ 10.7	$ 57.6	$ 70.3	$ 174.9
Basic net income per share (in usd per share)	$ 0.05	$ 0.26	$ 0.31	$ 0.78
Diluted net income per share (in usd per share)	$ 0.05	$ 0.25	$ 0.30	$ 0.77
Weighted average shares used in computing basic net income per share	226.9	223.1	227.1	223.4
Weighted average shares used in computing diluted net income per share	231.5	227.7	231.9	228.6