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Income Taxes - Schedule of Income Taxes (Details) - USD ($) $ in Millions		12 Months Ended
	May. 02, 2015	May. 02, 2015	May. 03, 2014	Apr. 27, 2013
Current
Federal		$ 5.4	$ 0.2	$ 0.0
Foreign		13.8	8.0	4.6
State		0.9	0.7	0.1
Subtotal		20.1	8.9	4.7
Deferred
Federal and state		6.0	(31.7)	0.0
Foreign	$ (7.2)	(6.3)	2.5	(7.2)
Subtotal		(0.3)	(29.2)	(7.2)
Total income tax/(benefit)		$ 19.8	$ (20.3)	$ (2.5)

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