CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Net revenue:
License and other	$ 1,254.9	$ 1,364.1	$ 1,334.4
Subscription	1,019.0	948.1	881.2
Total net revenue	2,273.9	2,312.2	2,215.6
Cost of revenue:
Cost of license and other revenue	178.7	166.0	166.6
Cost of subscription revenue	95.6	72.5	62.5
Total cost of revenue	274.3	238.5	229.1
Gross profit	1,999.6	2,073.7	1,986.5
Operating expenses:
Marketing and sales	842.6	875.5	842.6
Research and development	611.1	600.0	566.5
General and administrative	248.3	248.4	223.1
Restructuring charges (benefits), net	12.8	43.9	(1.3)
Total operating expenses	1,714.8	1,767.8	1,630.9
Income from operations	284.8	305.9	355.6
Interest and other (expense) income, net	(4.9)	4.1	7.3
Income before income taxes	279.9	310.0	362.9
Provision for income taxes	(51.1)	(62.6)	(77.6)
Net income	$ 228.8	$ 247.4	$ 285.3
Basic net income per share	$ 1.02	$ 1.09	$ 1.25
Diluted net income per share	$ 1.00	$ 1.07	$ 1.22
Weighted average shares used in computing basic net income per share	224.0	226.4	227.7
Weighted average shares used in computing diluted net income per share	229.6	231.7	233.3