CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions, unless otherwise specified	Oct. 31, 2011	Jan. 31, 2011
Current assets:
Cash and cash equivalents	$ 1,103.3	$ 1,075.1
Marketable securities	240.3	199.2
Accounts receivable, net	259.2	318.4
Deferred income taxes	34.2	56.8
Prepaid expenses and other current assets	61.6	64.8
Total current assets	1,698.6	1,714.3
Marketable securities	190.6	192.6
Computer equipment, software, furniture and leasehold improvements, net	102.1	84.5
Purchased technologies, net	90.4	57.2
Goodwill	653.9	554.1
Deferred income taxes, net	138.7	90.7
Other assets	130.7	94.2
Assets, Total	3,005.0	2,787.6
Current liabilities:
Accounts payable	81.9	76.8
Accrued compensation	154.3	193.1
Accrued income taxes	22.3	28.6
Deferred revenue	499.9	496.2
Other accrued liabilities	55.2	75.1
Total current liabilities	813.6	869.8
Deferred revenue	120.0	91.7
Long term income taxes payable	161.3	139.1
Other liabilities	82.6	77.7
Commitments and contingencies
Stockholders' equity:
Preferred stock
Common stock and additional paid-in capital	1,359.9	1,267.2
Accumulated other comprehensive income (loss)	3.4	(0.6)
Retained earnings	464.2	342.7
Total stockholders' equity	1,827.5	1,609.3
Liabilities and Equity, Total	$ 3,005.0	$ 2,787.6