CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Apr. 25, 2014	Apr. 26, 2013	Apr. 27, 2012
Net income	$ 637.5	$ 505.3	$ 605.4
Other comprehensive income (loss):
Foreign currency translation adjustments	3.5	(2.9)	(6.7)
Defined benefit obligations:
Defined benefit obligation adjustments	0.7	(3.9)	(4.4)
Income tax effect on defined benefit obligations	(0.4)	2.6	0
Reclassification adjustment for actuarial net losses from defined benefit obligations into earnings	0.6	0	0
Unrealized gains (losses) on available-for-sale securities:
Unrealized holding gains (losses) arising during the period	(2.5)	7.3	1.5
Income tax effect on unrealized holding gains (losses)	1.3	(0.2)	0.5
Reclassification adjustments for gains included in net income	(1.3)	(0.6)	(0.5)
Unrealized gains (losses) on cash flow hedges:
Unrealized holding gains (losses) arising during the period	(3.5)	3.7	20.6
Reclassification adjustments for losses (gains) included in net income	2.0	(2.2)	(18.9)
Other comprehensive income (loss)	0.4	3.8	(7.9)
Comprehensive income	$ 637.9	$ 509.1	$ 597.5