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Significant Differences Between United States Federal Statutory Tax Rate and Company's Effective Tax Rate (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | Apr. 03, 2010
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Reconciliation of Effective Income Tax Rate [Line Items] |
Deferred tax liability reversed | $ 8.4

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- Details
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Namespace Prefix: | kors_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Reversal Of Deferred Tax Liability + References No definition available. + Details
Name: | kors_ReversalOfDeferredTaxLiability
Namespace Prefix: | kors_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant