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Receivables (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | Jun. 30, 2012 | Mar. 31, 2012 | Apr. 02, 2011
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Allowance for return, discount and credit as well as doubtful accounts | $ 0.4 | $ 0.4 | $ 0.4

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- Definition Allowance for Sales Returns, Discounts and Credits, and Doubtful Accounts Receivable, Current + References No definition available. + Details
Name: | kors_AllowanceForSalesReturnsDiscountsAndCreditsAndDoubtfulAccountsReceivableCurrent
Namespace Prefix: | kors_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration