CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jul. 26, 2013	Jul. 27, 2012
Cash flows from operating activities:
Net income	$ 81.6	$ 63.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	85.9	82.4
Stock-based compensation	66.3	79.2
Accretion of discount and issuance costs on debt	8.2	14.3
Deferred income taxes	(10.1)	(18.0)
Excess tax benefit from stock-based compensation	(0.1)	(4.9)
Other non-cash items, net	(25.3)	(14.8)
Changes in assets and liabilities:
Accounts receivable	265.2	244.2
Inventories	22.9	(42.2)
Other operating assets	53.8	(27.1)
Accounts payable	(37.9)	41.9
Accrued compensation and other current liabilities	(175.4)	(146.7)
Deferred revenue	(54.3)	(47.0)
Other operating liabilities	5.0	4.1
Net cash provided by operating activities	285.8	229.2
Cash flows from investing activities:
Purchases of investments	(234.9)	(628.0)
Maturities and sales of investments	624.9	561.9
Purchases of property and equipment	(65.3)	(61.9)
Other investing activities, net	1.2	1.3
Net cash provided by (used in) investing activities	325.9	(126.7)
Cash flows from financing activities:
Issuance of common stock	71.5	35.0
Repurchase of common stock and forward contract	(849.5)	(150.0)
Excess tax benefit from stock-based compensation	0.1	4.9
Repayment of long-term debt	(1,264.9)	0
Dividends paid	(51.4)	0
Other financing activities, net	9.5	(2.0)
Net cash used in financing activities	(2,084.7)	(112.1)
Effect of exchange rate changes on cash and cash equivalents	(7.3)	(10.8)
Net decrease in cash and cash equivalents	(1,480.3)	(20.4)
Cash and cash equivalents:
Beginning of period	3,277.1	1,549.8
End of period	$ 1,796.8	$ 1,529.4