Segment Information - Schedule of Goodwill by Segment (Details) - USD ($) $ in Millions	Sep. 29, 2018	Mar. 31, 2018
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total goodwill	$ 796.9	$ 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	$ 677.2	$ 728.0