Intangible Assets and Goodwill - Goodwill Activity (Details) $ in Millions	9 Months Ended
Dec. 30, 2017 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 119.7
Acquisition of Jimmy Choo	684.9
Foreign currency translation	17.4
Ending balance	822.0
MK Retail
Goodwill [Roll Forward]
Beginning balance	91.9
Acquisition of Jimmy Choo	0.0
Foreign currency translation	0.0
Ending balance	91.9
MK Wholesale
Goodwill [Roll Forward]
Beginning balance	25.9
Acquisition of Jimmy Choo	0.0
Foreign currency translation	0.0
Ending balance	25.9
MK Licensing
Goodwill [Roll Forward]
Beginning balance	1.9
Acquisition of Jimmy Choo	0.0
Foreign currency translation	0.0
Ending balance	1.9
Jimmy Choo
Goodwill [Roll Forward]
Beginning balance	0.0
Acquisition of Jimmy Choo	684.9
Foreign currency translation	17.4
Ending balance	$ 702.3

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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