Other Current Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Income tax receivable	$ 5,076us-gaap_IncomeTaxesReceivable	$ 1,869us-gaap_IncomeTaxesReceivable
Prepaid software maintenance	2,564vvi_PrepaidSoftwareMaintenance	1,934vvi_PrepaidSoftwareMaintenance
Prepaid vendor payments	3,735vvi_PrepaidVendorPayments	2,689vvi_PrepaidVendorPayments
Prepaid taxes	1,212us-gaap_PrepaidTaxes	1,416us-gaap_PrepaidTaxes
Prepaid rent	1,047us-gaap_PrepaidRent	186us-gaap_PrepaidRent
Prepaid other	5,957us-gaap_OtherPrepaidExpenseCurrent	6,597us-gaap_OtherPrepaidExpenseCurrent
Other	2,409us-gaap_OtherAssetsMiscellaneousCurrent	2,749us-gaap_OtherAssetsMiscellaneousCurrent
Other current assets	$ 22,000us-gaap_OtherAssetsCurrent	$ 17,440us-gaap_OtherAssetsCurrent

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Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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-Name Accounting Standards Codification

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-Number 210

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-Number 210

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-Topic 944

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- Definition

Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.8)

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- Definition

Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.

+ References

No definition available.

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- Definition

Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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- Definition

Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Current Assets

-URI http://asc.fasb.org/extlink&oid=6509628

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Current Assets

-URI http://asc.fasb.org/extlink&oid=6509628

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

Prepaid Software Maintenance

+ References

No definition available.

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- Definition

Prepaid Vendor Payments

+ References

No definition available.

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