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Acquisitions - Pro-Forma Consolidated Results of Operations (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Mar. 31, 2018 | Apr. 01, 2017 | Apr. 02, 2016
Jimmy Cho PLC |  |  |
Business Acquisition [Line Items] |  |  |
Pro-forma total revenue | $ 5,012.0 | $ 4,984.6 |
Pro-forma net income | $ 623.2 | $ 553.9 |
Pro-forma net income per ordinary share attributable to MKHL: |  |  |
Basic (dollars per share) | $ 4.09 | $ 3.34 |
Diluted (dollars per share) | $ 4.02 | $ 3.29 |
Michael Kors (HK) Limited |  |  |
Business Acquisition [Line Items] |  |  |
Pro-forma total revenue |  | $ 4,520.1 | $ 4,839.1
Pro-forma net income |  | $ 548.7 | $ 832.2
Pro-forma net income per ordinary share attributable to MKHL: |  |  |
Basic (dollars per share) |  | $ 3.31 | $ 4.47
Diluted (dollars per share) |  | $ 3.26 | $ 4.40

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