Debt (Details) - USD ($) $ in Millions	Dec. 28, 2019	Mar. 30, 2019
Debt Instrument [Line Items]
Total debt	$ 694.4	$ 689.1
Current portion of long-term debt	298.1	0.0
Long-term debt	396.3	689.1
2.625% Senior Notes [Member]
Debt Instrument [Line Items]
Senior Note, Carrying Value, Current	298.1
Senior Notes, Carrying Value, Noncurrent		293.4
Cumulative amount of fair value hedging adjustment included in carrying value of hedged item	(1.6)	(5.9)
Unamortized Debt Issuance Costs	(0.3)	(0.7)
3.750% Senior Notes [Member]
Debt Instrument [Line Items]
Senior Notes, Carrying Value, Noncurrent	396.3	395.7
Unamortized Debt Issuance Costs	$ (3.7)	$ (4.3)

Short-term debt and current portion of long-term debt

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Fair value of all derivatives designated as interest rate fair value hedging instruments.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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