Additional Financial Information (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018	Mar. 30, 2019	Mar. 31, 2018
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash and Cash Equivalents	$ 1,079.9		$ 1,079.9		$ 584.1
Restricted cash, current	1.5		1.5		11.9
Restricted cash, noncurrent	8.0		8.0		30.5
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,089.4	$ 723.5	1,089.4	$ 723.5	$ 626.5	$ 1,355.5
Cash Interest and Taxes
Cash paid for interest	2.5	2.8	10.3	10.9
Cash paid for income taxes	$ 32.8	$ 26.3	114.9	56.9
Additional Financial Information (Textual) [Abstract]
Right-of-use asset obtained in exchange for operating lease liability			326.6
Right-of-use asset obtained in exchange for finance lease liability			64.0
Capital expenditures incurred but not yet paid			$ 56.6	$ 35.9
Conversion of Stock, Shares Converted			1.0