Summary of Significant Accounting Policies (Tables)

6 Months Ended

Sep. 30, 2017

Accounting Policies [Abstract]

Components of Calculation of Basic Net Income Per Ordinary Share and Diluted Net Income Per Ordinary Share

The components of the calculation of basic net income per ordinary share and diluted net income per ordinary share are as follows (in millions, except share and per share data):

	Three Months Ended				Six Months Ended
	September 30, 2017		October 1, 2016		September 30, 2017		October 1, 2016
Numerator:
Net income attributable to MKHL	$	202.9	$	160.9	$	328.4	$	308.0
Denominator:
Basic weighted average shares	151,781,340		166,695,631		153,134,119		170,427,101
Weighted average dilutive share equivalents:
Share options, restricted shares/units, and performance restricted share units	2,386,754		2,144,336		2,385,687		2,299,758
Diluted weighted average shares	154,168,094		168,839,967		155,519,806		172,726,859
Basic net income per share	$	1.34	$	0.97	$	2.14	$	1.81
Diluted net income per share	$	1.32	$	0.95	$	2.11	$	1.78