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Carrying Values of Intangible Assets and Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014	Mar. 29, 2014
Intangible Assets And Goodwill [Line Items]
Goodwill, Gross Carrying Amount	$ 14,005us-gaap_GoodwillGross	$ 14,005us-gaap_GoodwillGross
Goodwill, Net	14,005us-gaap_Goodwill	14,005us-gaap_Goodwill
Gross Carrying Amount	99,117kors_IntangibleAssetsGrossIncludingGoodwill	78,753kors_IntangibleAssetsGrossIncludingGoodwill
Accumulated Amortization	21,468us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization	16,714us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Net	63,644us-gaap_FiniteLivedIntangibleAssetsNet	48,034us-gaap_FiniteLivedIntangibleAssetsNet
Net	77,649us-gaap_IntangibleAssetsNetIncludingGoodwill	62,039us-gaap_IntangibleAssetsNetIncludingGoodwill
Trademarks
Intangible Assets And Goodwill [Line Items]
Gross Carrying Amount	23,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember	23,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember
Accumulated Amortization	13,707us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember	12,845us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember
Net	9,293us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember	10,155us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember
Lease Rights
Intangible Assets And Goodwill [Line Items]
Gross Carrying Amount	62,112us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = kors_LeaseHoldRightMember	41,748us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = kors_LeaseHoldRightMember
Accumulated Amortization	7,761us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = kors_LeaseHoldRightMember	3,869us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = kors_LeaseHoldRightMember
Net	$ 54,351us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = kors_LeaseHoldRightMember	$ 37,879us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = kors_LeaseHoldRightMember

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