Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Income Statement [Abstract]
Total revenue		$ 1,440.1	$ 1,352.8	$ 3,539.1	$ 3,428.9
Cost of goods sold		556.1	547.1	1,389.6	1,387.2
Gross profit		884.0	805.7	2,149.5	2,041.7
Selling, general and administrative expenses		485.9	407.6	1,267.4	1,130.0
Depreciation and amortization		54.0	55.7	149.9	162.5
Impairment of long-lived assets		2.6	0.5	18.9	5.4
Restructuring and other charges	[1]	28.0	0.0	51.3	11.3
Total operating expenses		570.5	463.8	1,487.5	1,309.2
Income from operations		313.5	341.9	662.0	732.5
Other income, net		(0.1)	(4.1)	(1.0)	(4.7)
Interest expense, net		8.3	3.4	10.2	5.1
Foreign currency loss (gain)		27.0	0.9	(14.7)	2.2
Income before provision for income taxes		278.3	341.7	667.5	729.9
Provision for income taxes		58.9	70.4	119.9	151.6
Net income		219.4	271.3	547.6	578.3
Less: Net loss attributable to noncontrolling interest		0.0	0.0	(0.2)	(1.0)
Net income attributable to MKHL		$ 219.4	$ 271.3	$ 547.8	$ 579.3
Weighted average ordinary shares outstanding:
Weighted average ordinary shares outstanding, basic (in shares)		152,047,963	163,148,597	152,772,067	168,000,933
Weighted average ordinary shares outstanding, diluted (in shares)		154,623,339	165,214,045	155,220,984	170,222,588
Net income per ordinary share attributable to MKHL:
Net income per ordinary share, basic (in dollars per share)		$ 1.44	$ 1.66	$ 3.59	$ 3.45
Net income per ordinary share, diluted (in dollars per share)		$ 1.42	$ 1.64	$ 3.53	$ 3.40
Statements of Comprehensive Income:
Net income		$ 219.4	$ 271.3	$ 547.6	$ 578.3
Foreign currency translation adjustments		41.6	(20.1)	78.7	(20.8)
Net (loss) gain on derivatives		(0.3)	9.4	(16.4)	11.2
Comprehensive income		260.7	260.6	609.9	568.7
Less: Net loss attributable to noncontrolling interest		0.0	0.0	(0.2)	(1.0)
Less: Other comprehensive income (loss) attributable to noncontrolling interest		0.1	(0.4)	0.1	(0.4)
Comprehensive income attributable to MKHL		$ 260.6	$ 261.0	$ 610.0	$ 570.1

[1] Restructuring and other charges includes store closure costs recorded in connection with the Retail Fleet Optimization Plan, as well as transaction and transition costs recorded in connection with the acquisitions of Jimmy Choo Group Limited (formerly known as Jimmy Choo PLC) and Michael Kors (HK) Limited and Subsidiaries (see Note 3 and Note 8).