Additional Financial Information (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Mar. 30, 2019	Mar. 31, 2018
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash and Cash Equivalents	$ 648.4		$ 584.1
Restricted cash, current	34.9		11.9
Restricted cash, noncurrent	8.1		30.5
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	691.4	$ 575.8	$ 626.5	$ 1,355.5
Cash Interest and Taxes
Cash paid for interest	2.4	3.0
Cash paid for income taxes	22.3	3.3
Additional Financial Information (Textual) [Abstract]
Right-of-use asset obtained in exchange for operating lease liability	17.7
Right-of-use asset obtained in exchange for finance lease liability	64.0
Capital expenditures incurred but not yet paid	$ 44.2	$ 29.1
Conversion of Stock, Shares Converted	0.5

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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