CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jan. 24, 2014	Jan. 25, 2013
Cash flows from operating activities:
Net income	$ 440.5	$ 331.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	252.0	255.5
Stock-based compensation	205.8	211.5
Accretion of discount and issuance costs on debt	9.2	44.0
Deferred income taxes	(30.9)	(57.9)
Excess tax benefit from stock-based compensation	(33.4)	(53.0)
Other non-cash items, net	(0.7)	49.6
Changes in assets and liabilities, net of acquisition of business:
Accounts receivable	213.4	193.1
Inventories	21.3	(11.4)
Other operating assets	78.3	(59.3)
Accounts payable	(69.8)	(16.0)
Accrued compensation and other current liabilities	(94.5)	(35.1)
Deferred revenue	(27.0)	62.7
Other operating liabilities	15.9	15.5
Net cash provided by operating activities	980.1	930.7
Cash flows from investing activities:
Purchases of investments	(701.3)	(1,548.3)
Maturities, sales and collections of investments	1,464.0	1,752.4
Purchases of property and equipment	(165.4)	(239.7)
Acquisition of business, net of cash acquired	0	(89.4)
Other investing activities, net	2.6	3.0
Net cash provided by (used in) investing activities	599.9	(122.0)
Cash flows from financing activities:
Issuance of common stock under employee stock plans	191.8	95.5
Repurchase of common stock and forward contract	(1,507.0)	(410.0)
Excess tax benefit from stock-based compensation	33.4	53.0
Repayment of long-term debt	(1,264.9)	0
Issuance of long-term debt, net	0	987.3
Dividends paid	(153.1)	0
Other financing activities, net	(7.5)	(0.7)
Net cash provided by (used in) financing activities	(2,707.3)	725.1
Effect of exchange rate changes on cash and cash equivalents	2.9	(1.9)
Net increase (decrease) in cash and cash equivalents	(1,124.4)	1,531.9
Cash and cash equivalents:
Beginning of period	3,277.1	1,549.8
End of period	$ 2,152.7	$ 3,081.7