CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net earnings	$ 258.3	$ 330.3
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	173.2	161.6
Deferred income tax benefit	(5.7)	(2.5)
Share-based compensation expense	115.9	92.7
Other non-cash items	2.9	2.4
Changes in operating assets and liabilities, net of acquisitions:
Trade accounts receivable	28.0	47.1
Trade finance receivables	77.1	91.9
Prepaid and other current assets	16.7	6.3
Other long-term assets	7.4	17.8
Accrued and other current liabilities	(31.4)	(47.8)
Deferred revenue	(212.7)	(88.6)
Other long-term liabilities	(5.5)	(9.1)
Other operating assets and liabilities	(6.3)	(14.7)
Net cash provided by operating activities	417.9	587.4
Cash flows from investing activities:
Proceeds from maturities of investments	69.0	24.8
Proceeds from sales of investments	13.3	4.4
Purchases of investments	(139.2)	(30.0)
Cash paid for acquisitions, net of cash acquired, and other investments	(19.4)	(163.0)
Capitalization of software development costs	(94.2)	(97.7)
Purchases of property and equipment	(19.3)	(17.6)
Other investing activities	1.9
Net cash used in investing activities	(187.9)	(279.1)
Cash flows from financing activities:
Purchases of common stock, including accelerated share repurchase	(1,150.0)	(630.5)
Repurchases of stock to satisfy employee tax withholding obligations	(38.1)	(31.7)
Proceeds from stock options exercised and other	50.7	41.9
Excess tax benefit from share-based compensation expense	5.8	13.6
Repayments of borrowings and capital lease obligations	(21.4)	(20.7)
Proceeds from borrowings, net of issuance costs	494.7
Net cash used in financing activities	(658.3)	(627.4)
Effect of exchange rate changes on cash and cash equivalents	(10.7)	(22.3)
Net change in cash and cash equivalents	(439.0)	(341.4)
Cash and cash equivalents, beginning of period	1,496.9	1,660.9
Cash and cash equivalents, end of period	1,057.9	1,319.5
Supplemental disclosure of cash flow information:
Cash paid for interest	33.7	22.7
Cash paid for income taxes, net of amounts refunded	$ 58.3	$ 20.8