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Segment Information - Schedule of Goodwill by Segment (Details) - USD ($) $ in Millions | Jun. 30, 2018 | Mar. 31, 2018
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Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Total goodwill | $ 806.2 | $ 847.7
MK Retail |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Total goodwill | 91.9 | 91.9
MK Wholesale |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Total goodwill | 25.9 | 25.9
MK Licensing |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Total goodwill | 1.9 | 1.9
Jimmy Choo |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Total goodwill | $ 686.5 | $ 728.0

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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