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Agreements with Shareholders and Related Party Transactions - Additional Information (Detail) (USD $) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2011 | Jun. 30, 2012 | Mar. 31, 2012
Related Party Transaction [Line Items] |  |  |  |
Period of the right of the estate of Mr. Kors to elect to sell ordinary shares after his death | 180 days |  |  |
Reclassification of temporary equity to permanent equity | $ 6,700,000 |  | $ 6,706,000 |
Issuance of shares in exchange for note, value | 101,700,000 |  | 101,650,000 | [1]
Estimated cost of business travel charged to selling, general and administrative services during period |  | 100,000 | 1,400,000 |
Agreements between the Company and Far East Holdings Limited expiry date |  | Mar. 31, 2041 | Mar. 31, 2041 |
Future royalty receivable year |  | 2014 | 2014 |
Amounts charged to the Licensees |  | $ 100,000 | $ 900,000 |
Preferred Stock |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Issuance of shares in exchange for note, shares | 475,796 |  | 475,796 | [1]
Common Stock |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Issuance of shares in exchange for note, shares | 6,579,656 |  | 6,579,656 | [1]
Issuance of ordinary shares in exchange for note, shares | 6,579,662 |  |  |
[1] | Represents the extinguishment of the note payable to the company's parent

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- Definition Elimination of contingent redemption on ordinary shares + References No definition available. + Details
Name: | kors_AdjustmentsToAdditionalPaidInCapitalTemporaryEquityCarryingAmount
Namespace Prefix: | kors_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Agreements, Expiration Date + References No definition available. + Details
Name: | kors_AgreementsExpirationDate
Namespace Prefix: | kors_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Agreement To Sell Ordinary Share Period + References No definition available. + Details
Name: | kors_AgreementToSellOrdinarySharePeriod
Namespace Prefix: | kors_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Business Development And Travel + References No definition available. + Details
Name: | kors_BusinessDevelopmentAndTravel
Namespace Prefix: | kors_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Royalty Payment Commencement Period + References No definition available. + Details
Name: | kors_RoyaltyPaymentCommencementPeriod
Namespace Prefix: | kors_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

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- Definition Stock Issued During Period, Shares, Conversion of Notes + References No definition available. + Details
Name: | kors_StockIssuedDuringPeriodSharesConversionOfNotes
Namespace Prefix: | kors_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Stock Issued During Period Shares Exchange For Note + References No definition available. + Details
Name: | kors_StockIssuedDuringPeriodSharesExchangeForNote
Namespace Prefix: | kors_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Stock Issued During Period Value Exchange For Note + References No definition available. + Details
Name: | kors_StockIssuedDuringPeriodValueExchangeForNote
Namespace Prefix: | kors_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Costs incurred and are directly related to generating license revenue. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(e)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
Name: | us-gaap_LicenseCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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