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Segment Information - Impairment Charges by Asset Type (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 30, 2017 | Sep. 30, 2017 | Apr. 01, 2017 | Dec. 31, 2016 | Oct. 01, 2016 | Mar. 31, 2018 | Apr. 01, 2017 | Apr. 02, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Impairment of long-lived assets | $ 13.8 | $ 2.6 | $ 16.3 | $ 193.8 | $ 0.5 | $ 4.9 | $ 32.7 | $ 199.2 | $ 10.9
Operating segments | MK Retail assets |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Impairment of long-lived assets |  |  |  |  |  |  | 31.3 | 198.7 | 8.6
Operating segments | MK Wholesale assets |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Impairment of long-lived assets |  |  |  |  |  |  | 1.4 | 0.5 | 0.4
Corporate |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Impairment of long-lived assets |  |  |  |  |  |  | $ 0.0 | $ 0.0 | $ 1.9

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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