Accumulated Other Comprehensive Income - Changes in Components of Accumulated Other Comprehensive Income, Net of Taxes (Detail) - USD ($) $ in Millions	3 Months Ended
	Jul. 02, 2016	Jun. 27, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,999.5
Other comprehensive (loss) income, net of tax	2.7
Ending balance	1,757.7
Less: other comprehensive income attributable to noncontrolling interest	0.1	$ 0.0
Other comprehensive (loss) income attributable to MKHL	(78.3)
Other comprehensive income (loss) before reclassifications related to derivative instruments, tax expense (benefit)		(1.0)
Foreign Currency Translation (Losses) Gains
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(77.6)	(96.1)
Other comprehensive (loss) income before reclassifications	(0.4)	9.8
Less: net gains reclassified from AOCI to earnings	0.0	0.0
Other comprehensive (loss) income, net of tax	(0.4)	9.8
Ending balance	(78.0)	(86.3)
Net Gains (Losses) on Derivatives
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(3.2)	29.3
Other comprehensive (loss) income before reclassifications	3.0	(10.6)
Less: net gains reclassified from AOCI to earnings	(0.1)	0.0
Other comprehensive (loss) income, net of tax	3.1	(10.6)
Ending balance	(0.1)	18.7
Total Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(80.8)	(66.8)
Other comprehensive (loss) income before reclassifications	2.6	(0.8)
Less: net gains reclassified from AOCI to earnings	(0.1)	0.0
Other comprehensive (loss) income, net of tax	2.7	(0.8)
Ending balance	(78.1)	$ (67.6)
Foreign Currency Translation Income (Loss) Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: other comprehensive income attributable to noncontrolling interest	0.2
Net Gains (Losses) on Derivatives Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: other comprehensive income attributable to noncontrolling interest	0.0
Total Accumulated Other Comprehensive Income (Loss) Attributable to Noncontrolling Interest
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Less: other comprehensive income attributable to noncontrolling interest	0.2
Foreign Currency Translation Gains (Losses) Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Other comprehensive (loss) income attributable to MKHL	(78.2)
Net Gains (Losses) on Derivatives Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Other comprehensive (loss) income attributable to MKHL	(0.1)
Total Accumulated Other Comprehensive Income (Loss) Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(80.9)
Other comprehensive (loss) income, net of tax	2.6
Ending balance	(78.3)
Other comprehensive (loss) income attributable to MKHL	$ (78.3)