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Shareholders Equity (Details Textuals) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 28, 2013 | Dec. 28, 2012
Share purchases [Abstract] |  |  |  |  |
Purchase of shares, Value | $ 42,016 us-gaap_TreasuryStockValueAcquiredCostMethod | $ 64,351 us-gaap_TreasuryStockValueAcquiredCostMethod | $ (309,701)us-gaap_TreasuryStockValueAcquiredCostMethod |  |
Treasury Stock, Shares, Acquired | 1,044,136 us-gaap_TreasuryStockSharesAcquired | 1,850,746 us-gaap_TreasuryStockSharesAcquired |  |  |
Payments related to tax withholding for share-based compensation | 9,430 us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | 3,556 us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | 4,149 us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation |  |
Share-based awards [Abstract] |  |  |  |  |
Fair market value of ordinary shares | 100.00%vprt_FairMarketValueOfOrdinaryShares |  |  |  |
Award expiration period | 10 years |  |  |  |
Exchange rate for restricted shares of other share based award | 1.56 vprt_StockRepurchaseProgramExchangeRateForRestrictedSharesOfOtherShareBasedAward |  |  |  |
Exchange rate for ordinary shares | 1 vprt_StockRepurchaseProgramExchangeRateForOrdinaryShares |  |  |  |
Number of additional plans available | 2 vprt_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalPlansAvailable |  |  |  |
Capital shares reserved for future issuance | 2,752,919 us-gaap_CommonStockCapitalSharesReservedForFutureIssuance |  |  |  |
Restricted Share Units [Abstract] |  |  |  |  |
Compensation cost | 27,786 us-gaap_AllocatedShareBasedCompensationExpense | 32,928 us-gaap_AllocatedShareBasedCompensationExpense | 25,413 us-gaap_AllocatedShareBasedCompensationExpense |  |
Restricted Share Awards [Abstract] |  |  |  |  |
Restricted stock award, net of forfeitures |  |  | 0 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures |  |
Share-based Compensation [Abstract] |  |  |  |  |
Compensation cost | 27,786 us-gaap_AllocatedShareBasedCompensationExpense | 32,928 us-gaap_AllocatedShareBasedCompensationExpense | 25,413 us-gaap_AllocatedShareBasedCompensationExpense |  |
Allocation of recognized period costs, capitalized amount | 254 us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount | 130 us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount | 101 us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount |  |
Unrecognized share based compensation | 40,443 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized |  |  |  |
Total compensation cost not yet recognized, period for recognition | 2 years 8 months |  |  |  |
Employee Stock Option [Member] |  |  |  |  |
Share options [Abstract] |  |  |  |  |
Service Period | Options generally vest quarterly over 3 years for non-employee directors and 25% after one year and quarterly for 12 quarters thereafter for employees |  |  |  |
Total intrinsic value of options exercised | 14,860 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 6,648 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 1,900 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Restricted Share Units [Abstract] |  |  |  |  |
Service Period | Options generally vest quarterly over 3 years for non-employee directors and 25% after one year and quarterly for 12 quarters thereafter for employees |  |  |  |
Restricted Stock Units [Member] |  |  |  |  |
Share options [Abstract] |  |  |  |  |
Service Period | RSUs generally vest quarterly for two to three years for non-employee supervisory board directors and 25% after one year and quarterly for 12 quarters thereafter for employees |  |  |  |
Restricted Share Units [Abstract] |  |  |  |  |
Service Period | RSUs generally vest quarterly for two to three years for non-employee supervisory board directors and 25% after one year and quarterly for 12 quarters thereafter for employees |  |  |  |
Grants in period | 225,000 vprt_PerformancebasedRSUsoutstanding / us-gaap_AwardTypeAxis = vprt_RestrictedStockUnitsMember |  |  |  |
Grants in period not probale of achievement | 180,000 vprt_PerformancebasedRSUsnotprobable / us-gaap_AwardTypeAxis = vprt_RestrictedStockUnitsMember |  |  |  |
Maximum compensation for probabilty awards | 7,169 vprt_Maximumcompensationforprobabiltyawards / us-gaap_AwardTypeAxis = vprt_RestrictedStockUnitsMember |  |  |  |
Total fair value of shares vested | 20,629 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = vprt_RestrictedStockUnitsMember | 12,397 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = vprt_RestrictedStockUnitsMember | 14,047 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue / us-gaap_AwardTypeAxis = vprt_RestrictedStockUnitsMember |  |
Restricted Share Awards [Member] |  |  |  |  |
Restricted Share Units [Abstract] |  |  |  |  |
Weighted average fair value of restricted share units granted | $ 0.00 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = vprt_RestrictedShareAwardsMember |  |  |  |
Restricted Share Awards [Abstract] |  |  |  |  |
Award vesting, percentage vested |  |  |  |  | 50.00%vprt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingInitialPercentageVested / us-gaap_AwardTypeAxis = vprt_RestrictedShareAwardsMember
Award vesting, final percentage vested |  |  |  | 50.00%vprt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingFinalPercentageVested / us-gaap_AwardTypeAxis = vprt_RestrictedShareAwardsMember |
Restricted stock award, net of forfeitures | 15,843 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_AwardTypeAxis = vprt_RestrictedShareAwardsMember |  |  |  |
Ordinary Shares [Member] |  |  |  |  |
Share purchases [Abstract] |  |  |  |  |
Share repurchase program authorized shares | 6,500,000 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |
Remaining number of shares authorized to be repurchased | 5,532,126 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |  |  |  |
Treasury Shares [Member] |  |  |  |  |
Share purchases [Abstract] |  |  |  |  |
Purchase of shares, Value | 42,016 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 64,351 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 309,701 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Treasury Stock, Shares, Acquired | 1,044,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 1,851,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 9,901,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |
Restricted Share Awards [Abstract] |  |  |  |  |
Restricted stock award, net of forfeitures |  |  | $ 10,754 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |  |

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