CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Revenue:
License	$ 838.5	$ 877.8	$ 864.5
Maintenance	1,139.1	1,080.4	1,024.2
Professional services	223.8	213.8	176.6
Total revenue	2,201.4	2,172.0	2,065.3
Operating expenses:
Cost of license revenue	159.6	158.4	129.8
Cost of maintenance revenue	208.4	198.5	169.4
Cost of professional services revenue	224.0	212.0	186.0
Selling and marketing expenses	686.9	634.0	611.4
Research and development expenses	174.6	165.2	181.6
General and administrative expenses	238.7	217.9	220.7
Amortization of intangible assets	43.8	42.1	33.6
Total operating expenses	1,736.0	1,628.1	1,532.5
Operating income	465.4	543.9	532.8
Other income (expense), net:
Interest and other income, net	8.3	10.6	15.0
Interest expense	(47.8)	(23.3)	(19.8)
Gain (loss) on investments, net	2.0	(1.2)	3.3
Total other expense, net	(37.5)	(13.9)	(1.5)
Earnings before income taxes	427.9	530.0	531.3
Provision for income taxes	96.9	129.0	75.1
Net earnings	331.0	401.0	456.2
Basic earnings per share	$ 2.17	$ 2.36	$ 2.55
Diluted earnings per share	$ 2.13	$ 2.32	$ 2.50
Shares used in computing basic earnings per share	152.7	169.9	178.7
Shares used in computing diluted earnings per share	155.7	172.8	182.4
Net earnings	331.0	401.0	456.2
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax (benefit) provision of $(3.3), $(2.6) and $1.4, respectively	(0.3)	(0.5)	24.1
Unrealized gain on available-for-sale securities, net of tax (benefit) provision of $(0.1), $(0.2) and $0.6, respectively	0.7	0.4	2.5
Unrealized loss on cash flow hedge, net of tax benefit of $0.1	(0.3)
Total other comprehensive income (loss)	0.1	(0.1)	26.6
Total comprehensive income	$ 331.1	$ 400.9	$ 482.8