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Shareholders' Equity - Additional Information (Detail) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Mar. 28, 2015 | Mar. 29, 2014 | Feb. 28, 2013 | Oct. 31, 2012 | Sep. 30, 2012 | Apr. 30, 2012 | Mar. 31, 2012 | Mar. 30, 2013 | Nov. 14, 2014 | Jan. 31, 2015 | May 20, 2015
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, value | $ 495,277,000 us-gaap_TreasuryStockValueAcquiredCostMethod | $ 2,447,000 us-gaap_TreasuryStockValueAcquiredCostMethod |  |  |  |  |  |  |  |  |
Secondary Offering |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of new shares, shares |  |  | 25,000,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | 3,450,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | 23,000,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | 3,750,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | 25,000,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember |  |  |  |
Issuance of new shares, price per share |  |  | $ 61.50 us-gaap_SharesIssuedPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | $ 53.00 us-gaap_SharesIssuedPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | $ 53.00 us-gaap_SharesIssuedPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | $ 47.00 us-gaap_SharesIssuedPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember | $ 47.00 us-gaap_SharesIssuedPricePerShare / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember |  |  |  |
Fees related to secondary offering |  |  |  |  |  |  |  | 1,700,000 kors_StockIssuanceCosts / us-gaap_SubsidiarySaleOfStockAxis = kors_SecondaryOfferingMember |  |  |
Accelerated Share Repurchase Program |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, shares | 4,718,335 us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = kors_AcceleratedShareRepurchaseProgramMember |  |  |  |  |  |  |  | 4,437,516 us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = kors_AcceleratedShareRepurchaseProgramMember | 280,819 us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = kors_AcceleratedShareRepurchaseProgramMember |
Ordinary shares repurchased, value |  |  |  |  |  |  |  |  | 355,000,000 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_ShareRepurchaseProgramAxis = kors_AcceleratedShareRepurchaseProgramMember |  |
Ordinary shares repurchased, cash paid |  |  |  |  |  |  |  |  | 355,000,000 us-gaap_AcceleratedShareRepurchasesSettlementPaymentOrReceipt / us-gaap_ShareRepurchaseProgramAxis = kors_AcceleratedShareRepurchaseProgramMember |  |
ASR program, percentage of shares expected to be repurchased |  |  |  |  |  |  |  |  | 100.00%kors_AcceleratedShareRepurchasePercentageOfSharesToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = kors_AcceleratedShareRepurchaseProgramMember |  |
Share repurchase agreement, completion date |  |  |  |  |  |  |  |  | Jan. 29, 2015 |  |
Share Repurchase Program |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, shares | 2,040,979 us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = kors_StockRepurchaseProgramMember |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, value | 136,900,000 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_ShareRepurchaseProgramAxis = kors_StockRepurchaseProgramMember |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, remaining availability | 508,100,000 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 / us-gaap_ShareRepurchaseProgramAxis = kors_StockRepurchaseProgramMember |  |  |  |  |  |  |  |  |  |
Share Repurchase Program | Subsequent Event | Maximum |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, additional authorized amount |  |  |  |  |  |  |  |  |  |  | 500,000,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ShareRepurchaseProgramAxis = kors_StockRepurchaseProgramMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Withholding Taxes |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, shares | 40,787 us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = kors_WithholdingTaxesMember |  |  |  |  |  |  |  |  |  |
Ordinary shares repurchased, value | $ 3,300,000 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_ShareRepurchaseProgramAxis = kors_WithholdingTaxesMember |  |  |  |  |  |  |  |  |  |

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- Definition Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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