Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Ordinary Shares	Additional Paid-in Capital	Treasury Shares	Accumulated Other Comprehensive Loss	Retained Earnings	Total Equity of MKHL	Non-controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 174.4
Comprehensive income	$ 173.6
Beginning balance (in shares) at Apr. 02, 2016	208,084,175	208,084,000
Beginning balance (in shares) at Apr. 02, 2016	(31,642,284)			(31,642,000)
Beginning 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 (loss)	146.3					147.1	147.1	(0.8)
Other comprehensive income	2.7				2.6		2.6	0.1
Comprehensive income	149.0						149.7	(0.7)
Vesting of restricted awards, net of forfeitures (in shares)		384,000
Exercises of employee share options (in shares)		291,000
Exercises of employee share options	3.0		3.0				3.0
Equity compensation expense	9.8		9.8				9.8
Tax benefits on exercise of share options	0.8		0.8				0.8
Purchase of treasury shares (in shares)				(8,120,000)
Purchase of treasury shares	$ (404.4)			$ (404.4)			(404.4)
Ending balance (in shares) at Jul. 02, 2016	208,759,289	208,759,000
Ending balance (in shares) at Jul. 02, 2016	(39,762,184)			(39,762,000)
Ending balance at Jul. 02, 2016	$ 1,757.7	$ 0.0	$ 732.5	$ (2,054.5)	$ (78.3)	$ 3,154.9	$ 1,754.6	$ 3.1