CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Net revenue:
Subscription	$ 326.0	$ 319.8
License and other	185.9	326.7
Total net revenue	511.9	646.5
Cost of revenue:
Cost of subscription revenue	39.7	38.7
Cost of license and other revenue	52.8	53.1
Total cost of revenue	92.5	91.8
Gross profit	419.4	554.7
Operating expenses:
Marketing and sales	242.9	253.9
Research and development	195.5	194.5
General and administrative	75.8	75.9
Amortization of purchased intangibles	7.9	8.9
Restructuring charges and other facility exit costs, net	52.3	0.0
Total operating expenses	574.4	533.2
(Loss) income from operations	(155.0)	21.5
Interest and other (expense) income, net	(3.6)	0.3
(Loss) income before income taxes	(158.6)	21.8
Provision for income taxes	(14.4)	(2.7)
Net (loss) income	$ (173.0)	$ 19.1
Basic net (loss) income per share (in usd per share)	$ (0.77)	$ 0.08
Diluted net (loss) income per share (in usd per share)	$ (0.77)	$ 0.08
Weighted average shares used in computing basic net (loss) income per share (shares)	224.4	227.2
Weighted average shares used in computing diluted net (loss) income per share (shares)	224.4	231.7