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Summary of Significant Accounting Policies (Details Textuals) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Accounting Policies [Line Items]
Restricted cash and cash equivalents	$ 823,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent	$ 1,510,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
Identifiable intangible assets, useful life (in years)	3 years	2 years
Financial Effect of Change in Accounting Estimate		0.08vprt_FinancialEffectOfChangeInAccountingEstimate
Amortization on capitalized software development expense	4,985,000us-gaap_CapitalizedComputerSoftwareAmortization	3,118,000us-gaap_CapitalizedComputerSoftwareAmortization	6,325,000us-gaap_CapitalizedComputerSoftwareAmortization
Accumulated amortization on capitalized software development expense	13,538,000us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization	10,315,000us-gaap_CapitalizedComputerSoftwareAccumulatedAmortization
Payments of Debt Issuance Costs	1,319,000us-gaap_PaymentsOfDebtIssuanceCosts	1,887,000us-gaap_PaymentsOfDebtIssuanceCosts
Amortization of Financing Costs	765,000us-gaap_AmortizationOfFinancingCosts	556,000us-gaap_AmortizationOfFinancingCosts	206,000us-gaap_AmortizationOfFinancingCosts
Unamortized Debt Issuance Expense	2,334,000us-gaap_UnamortizedDebtIssuanceExpense	2,963,000us-gaap_UnamortizedDebtIssuanceExpense
Treasury Stock, Shares, Retired		5,869,662us-gaap_TreasuryStockSharesRetired
Advertising expense	267,655,000us-gaap_AdvertisingExpense	287,167,000us-gaap_AdvertisingExpense	252,812,000us-gaap_AdvertisingExpense
Research and development expense	26,423,000us-gaap_ResearchAndDevelopmentExpense	24,690,000us-gaap_ResearchAndDevelopmentExpense	19,707,000us-gaap_ResearchAndDevelopmentExpense
Concentration risk, number of customers	one
Percentage of receivables represented by one customer	24.00%us-gaap_ConcentrationRiskPercentage1	35.00%us-gaap_ConcentrationRiskPercentage1
Software and Software Development Costs [Member]
Accounting Policies [Line Items]
Financial Effect of Change in Accounting Estimate		2,718,000vprt_FinancialEffectOfChangeInAccountingEstimate / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Waltham Lease [Member]
Accounting Policies [Line Items]
Construction in Progress, Gross	$ 18,117,000us-gaap_ConstructionInProgressGross / us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis = vprt_WalthamLeaseMember

X

- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

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- Definition

Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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- Definition

For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

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For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

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- Definition

For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, this item identifies a second characteristic of the concentration. For example, "Europe" is the second characteristic in the phrase: "net assets in Europe are 70% of total net assets".

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

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Number of shares of common and preferred stock retired from treasury during the period.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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- Definition

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