Taxes - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Current
U.S. Federal	$ 47.6	$ 131.2	$ 268.0
U.S. State	15.6	20.4	14.3
Non-U.S.	77.4	45.8	54.2
Total current	140.6	197.4	336.5
Deferred
U.S. Federal	23.9	(34.1)	0.3
U.S. State	0.9	(5.0)	1.0
Non-U.S.	(15.7)	(21.2)	(3.2)
Total deferred	9.1	(60.3)	(1.9)
Total provision for income taxes	$ 149.7	$ 137.1	$ 334.6