Income Taxes (Details 2) - USD ($) $ in Millions	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%
Benefit (provision) for income taxes at the U.S. federal statutory rate	$ 36.7	$ (193.2)	$ (345.6)
Change due to:
State and local income taxes, net of federal benefit	2.7	(10.9)	(20.9)
Foreign income taxed at different rates, net of U.S. foreign tax credits	(25.4)	33.6	96.1
Unrecognized tax benefits and settlements of tax examinations	0.5	12.7	(11.5)
Change in valuation allowance on deferred tax assets	(7.3)	0.0	0.0
Other	(1.6)	2.4	(3.3)
Income tax benefit (provision)	$ 5.6	$ (155.4)	$ (285.2)
Effective tax rate	5.30%	28.20%	28.90%