Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Income Statement [Abstract]
Net sales	$ 1,086,829	$ 1,009,669	$ 2,034,088	$ 1,896,706
Licensing revenue	43,152	46,936	81,868	79,053
Total revenue	1,129,981	1,056,605	2,115,956	1,975,759
Cost of goods sold	465,552	411,578	847,892	759,099
Gross profit	664,429	645,027	1,268,064	1,216,660
Selling, general and administrative expenses	345,179	305,405	658,638	571,269
Depreciation and amortization	46,164	34,064	87,717	63,062
Total operating expenses	391,343	339,469	746,355	634,331
Income from operations	273,086	305,558	521,709	582,329
Other expense (income), net	69	(1,006)	894	(1,349)
Interest expense, net	375	72	484	31
Foreign currency losses	1,442	2,395	2,119	3,548
Income before provision for income taxes	271,200	304,097	518,212	580,099
Provision for income taxes	78,382	97,107	151,039	185,393
Net income	192,818	206,990	367,173	394,706
Less: Net loss attributable to noncontrolling interest	(318)	0	(318)	0
Net income attributable to MKHL	$ 193,136	$ 206,990	$ 367,491	$ 394,706
Weighted average ordinary shares outstanding:
Weighted average shares outstanding, basic (in shares)	188,857,398	204,464,952	192,917,209	204,107,262
Weighted average shares outstanding, diluted (in shares)	191,524,156	207,432,250	195,789,325	207,304,247
Net income per ordinary share attributable to MKHL:
Net income per ordinary share, basic (in dollars per shares)	$ 1.02	$ 1.01	$ 1.90	$ 1.93
Net income per ordinary share, diluted (in dollars per shares)	$ 1.01	$ 1.00	$ 1.88	$ 1.90
Statements of Comprehensive Income:
Net income (loss)	$ 192,818	$ 206,990	$ 367,173	$ 394,706
Foreign currency translation adjustments	(5,586)	(27,671)	4,228	(24,604)
Net (losses) gains on derivatives	(7,927)	9,094	(18,561)	10,558
Comprehensive income	179,305	188,413	352,840	380,660
Less: Net loss attributable to noncontrolling interest	(318)	0	(318)	0
Less: Other comprehensive income attributable to noncontrolling interest	11	0	11	0
Comprehensive income attributable to MKHL	$ 179,612	$ 188,413	$ 353,147	$ 380,660