CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 24, 2014	Oct. 25, 2013	Oct. 24, 2014	Oct. 25, 2013
Net income	$ 159.8	$ 166.8	$ 248.2	$ 248.4
Other comprehensive income (loss):
Foreign currency translation adjustments	(10.0)	4.8	(10.8)	3.6
Defined benefit obligations:
Defined benefit obligation adjustments	0.1	0.1	1.6	0.2
Income tax effect on defined benefit obligations	0	0	(0.5)	0
Reclassification adjustments for actuarial net losses included in net income	0.1	0	0.2	0
Unrealized gains (losses) on available-for-sale securities:
Unrealized holding gains (losses) arising during the period	0.5	4.4	(1.3)	(4.0)
Income tax effect on unrealized holding (gains) losses	0	0	0.2	1.0
Reclassification adjustments for (gains) losses included in net income	0	(1.0)	0.2	(1.1)
Unrealized losses on cash flow hedges:
Unrealized holding losses arising during the period	(3.7)	(3.1)	(4.3)	(3.5)
Reclassification adjustments for losses included in net income	4.5	2.4	6.2	1.4
Other comprehensive income (loss)	(8.5)	7.6	(8.5)	(2.4)
Comprehensive income	$ 151.3	$ 174.4	$ 239.7	$ 246.0