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Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012
Accounting Policies [Abstract] |  |  |
Financial Effect of Change in Accounting Estimate |  | $ 0.08 vprt_FinancialEffectOfChangeInAccountingEstimate |
Reconciliation of weighted-average number of ordinary shares |  |  |
Weighted average shares outstanding, basic | 32,873,234 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 33,209,172 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 37,813,504 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average shares issuable upon exercise/vesting of outstanding share options/RSUs/RSAs | 1,366,675 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 1,262,832 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 1,139,675 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Shares used in computing diluted net income per share | 34,239,909 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 34,472,004 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 38,953,179 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Weighted average anti-dilutive shares excluded from diluted net income per share | 953,100 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 1,740,542 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 1,495,858 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Other Income and Expenses [Abstract] |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (7,473,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet | 29,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet | 0 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Foreign Currency Transaction Gain (Loss), Realized | (1,476,000)us-gaap_ForeignCurrencyTransactionGainLossRealized | (92,000)us-gaap_ForeignCurrencyTransactionGainLossRealized | 2,350,000 us-gaap_ForeignCurrencyTransactionGainLossRealized
Equity Method Investment, Realized Gain (Loss) on Disposal | (12,681,000)us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal | 0 us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal | 0 us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
Other income (expense), net | $ (21,630,000)us-gaap_OtherNonoperatingIncomeExpense | $ (63,000)us-gaap_OtherNonoperatingIncomeExpense | $ 2,350,000 us-gaap_OtherNonoperatingIncomeExpense

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256 + Details
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- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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