Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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No definition available.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	May 31, 2016	Jan. 01, 2016	Dec. 31, 2016	Sep. 26, 2015	Dec. 31, 2016	Apr. 02, 2016
Business Acquisition [Line Items]
Goodwill			$ 119.7		$ 119.7	$ 23.2
Michael Kors (HK) Limited
Business Acquisition [Line Items]
Ownership interest (percentage)	100.00%
Fair value of consideration provided	$ 500.0
Goodwill	$ 96.5
Revenue of acquiree since acquisition date			65.7		137.7
Loss of acquiree since acquisition date			$ 5.3		11.3
Transaction costs					$ 11.3
MK Korea
Business Acquisition [Line Items]
Fair value of consideration provided		$ 3.6
MK Panama
Business Acquisition [Line Items]
Ownership interest (percentage)				75.00%
Fair value of consideration provided				$ 3.0
Capital contributions				18.5
Business combination, liabilities eliminated				$ 15.5
Customer relationships \| Michael Kors (HK) Limited
Business Acquisition [Line Items]
Intangible asset, weighted average useful life (in years)	10 years