CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Oct. 24, 2014	Oct. 25, 2013
Cash flows from operating activities:
Net income	$ 248.2	$ 248.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	155.1	168.4
Stock-based compensation	130.1	133.9
Deferred income taxes	(1.6)	(8.4)
Excess tax benefit from stock-based compensation	(49.4)	(9.5)
Other non-cash items, net	51.5	(7.7)
Changes in assets and liabilities:
Accounts receivable	222.4	209.3
Inventories	14.9	23.6
Other operating assets	22.8	92.9
Accounts payable	(32.1)	(40.8)
Accrued compensation and other current liabilities	(136.5)	(102.4)
Deferred revenue	(44.8)	(67.6)
Other operating liabilities	16.3	8.2
Net cash provided by operating activities	596.9	648.3
Cash flows from investing activities:
Purchases of investments	(602.6)	(476.1)
Maturities, sales and collections of investments	963.7	1,148.2
Purchases of property and equipment	(109.5)	(107.5)
Other investing activities, net	(0.9)	3.4
Net cash provided by investing activities	250.7	568.0
Cash flows from financing activities:
Issuance of common stock under employee stock plans	71.2	123.9
Repurchase of common stock and forward contract	(718.9)	(1,000.0)
Excess tax benefit from stock-based compensation	49.4	9.5
Repayment of long-term debt	0	(1,264.9)
Issuance of long-term debt, net	494.7	0
Dividends paid	(105.5)	(102.7)
Other financing activities, net	(3.5)	(5.7)
Net cash used in financing activities	(212.6)	(2,239.9)
Effect of exchange rate changes on cash and cash equivalents	(20.8)	7.0
Net increase (decrease) in cash and cash equivalents	614.2	(1,016.6)
Cash and cash equivalents:
Beginning of period	2,291.0	3,277.1
End of period	$ 2,905.2	$ 2,260.5