Current Assets and Current Liabilities - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Sep. 29, 2018	Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid taxes	$ 126.9	$ 78.5
Prepaid rent	23.7	22.7
Leasehold incentive receivable	12.2	9.4
Prepaid insurance	5.1	1.5
Unrealized gains on forward foreign currency exchange contracts	4.3	0.0
Prepaid duties	0.0	7.0
Other	39.2	28.7
Prepaid expenses and other current assets	$ 211.4	$ 147.8

Prepaid Import Duties

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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This item represents a receivable for an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease.

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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