CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Ordinary Shares	Additional Paid-in Capital	Treasury Shares	Accumulated Other Comprehensive (Loss) Income	Retained Earnings	Total Equity of MKHL	Non-controlling Interests
Beginning balance at Mar. 28, 2015	$ 2,241.0	$ 0.0	$ 636.7	$ (497.7)	$ (66.8)	$ 2,168.8	$ 2,241.0	$ 0.0
Beginning balance (in shares) at Mar. 28, 2015		206,487,000
Beginning balance (in shares) at Mar. 28, 2015				(6,830,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	837.7					839.1	839.1	(1.4)
Other comprehensive income (loss)	(14.0)				(14.1)		(14.1)	0.1
Comprehensive income	823.7						825.0	(1.3)
Noncontrolling interest in MK Panama and Jimmy Choo joint ventures	5.1							5.1
Forfeitures of restricted awards, net of vestings (in shares)		(35,000)
Exercise of employee share options	12.7		12.7				12.7
Exercise of employee share options (in shares)		1,632,000
Equity compensation expense	48.4		48.4				48.4
Tax benefits on exercise of share options	21.1		21.1				21.1
Purchase of treasury shares	(1,152.4)			$ (1,152.4)			(1,152.4)
Purchase of treasury shares (in shares)				(24,812,000)
Other	(0.1)					(0.1)	(0.1)
Ending balance (in shares) at Apr. 02, 2016				(31,642,000)
Ending balance (in shares) at Apr. 02, 2016		208,084,000
Ending balance at Apr. 02, 2016	1,999.5	$ 0.0	718.9	$ (1,650.1)	(80.9)	3,007.8	1,995.7	3.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	551.5					552.5	552.5	(1.0)
Other comprehensive income (loss)	(0.1)				0.3		0.3	(0.4)
Comprehensive income	551.4						552.8	(1.4)
Vesting of restricted awards, net of forfeitures (in shares)		454,000
Exercise of employee share options	8.4		8.4				8.4
Exercise of employee share options (in shares)		794,000
Equity compensation expense	33.9		33.9				33.9
Tax benefits on exercise of share options	6.6		6.6				6.6
Purchase of treasury shares	$ (1,004.8)			$ (1,004.8)			(1,004.8)
Purchase of treasury shares (in shares)				(21,857,000)
Ending balance (in shares) at Apr. 01, 2017	(53,499,189)			(53,499,000)
Ending balance (in shares) at Apr. 01, 2017	209,332,493	209,332,000
Ending balance at Apr. 01, 2017	$ 1,595.0	$ 0.0	767.8	$ (2,654.9)	(80.6)	3,560.3	1,592.6	2.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	592.1					591.9	591.9	0.2
Other comprehensive income (loss)	131.2				131.1		131.1	0.1
Comprehensive income	723.3						723.0	0.3
Noncontrolling interest in MK Panama and Jimmy Choo joint ventures	3.1							3.1
Partial repurchase of non-controlling interest	(0.5)		0.5				0.5	(1.0)
Vesting of restricted awards, net of forfeitures (in shares)		542,000
Exercise of employee share options	13.7		13.7				13.7
Exercise of employee share options (in shares)		1,117,000
Equity compensation expense	49.6		49.6				49.6
Purchase of treasury shares	(361.0)			$ (361.0)			(361.0)
Purchase of treasury shares (in shares)				(7,794,000)
Redemption of capital/dividends	(1.2)					(0.2)	(0.2)	(1.0)
Other	$ (0.5)		(0.5)				(0.5)
Ending balance (in shares) at Mar. 31, 2018	(61,292,684)			(61,293,000)
Ending balance (in shares) at Mar. 31, 2018	210,991,091	210,991,000
Ending balance at Mar. 31, 2018	$ 2,021.5	$ 0.0	$ 831.1	$ (3,015.9)	$ 50.5	$ 4,152.0	$ 2,017.7	$ 3.8