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Income Taxes - Additional Information (Details) (USD $)
 3 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Loss Carryforwards [Line Items]        
Deferred Tax Asset Valuation Allowance, Change in Amount $ 10,900,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount      
Tax deficiencies from share-based compensation   (461,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation (404,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation (96,000)us-gaap_AdjustmentsToAdditionalPaidInCapitalIncomeTaxDeficiencyFromShareBasedCompensation
Deferred Tax Assets, Gross   69,203,000us-gaap_DeferredTaxAssetsGross 76,970,000us-gaap_DeferredTaxAssetsGross  
Deferred Tax Assets, Tax Credit Carryforwards   21,783,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 26,945,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards  
Deferred Tax, Operating Loss Carryforwards   4,886,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 4,794,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards  
Valuation Allowance Operating Loss Carryforwards Change In Amount   622,000vvi_ValuationAllowanceOperatingLossCarryforwardsChangeInAmount    
Valuation Allowance   3,781,000us-gaap_DeferredTaxAssetsValuationAllowance 12,393,000us-gaap_DeferredTaxAssetsValuationAllowance  
Deferred Tax Assets, Foreign Tax Credits   12,700,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign    
Foreign Tax Credit Carryforward Expire On 2020   4,700,000vvi_ForeignTaxCreditCarryforwardExpireYearFive    
Foreign Tax Credit Carryforward Expire On 2021   5,500,000vvi_ForeignTaxCreditCarryforwardExpireYearSix    
Foreign Tax Credit Carryforward Expire On 2022   600,000vvi_ForeignTaxCreditCarryforwardExpireYearSeven    
Foreign Tax Credit Carryforward Expire On 2023   1,900,000vvi_ForeignTaxCreditCarryforwardExpireYearEight    
Unrecognized Tax Liability For Undistributed Foreign Earnings   350,000vvi_UnrecognizedTaxLiabilityForUndistributedForeignEarnings    
Liability for Uncertain Tax Positions, Noncurrent   2,400,000us-gaap_LiabilityForUncertainTaxPositionsNoncurrent 1,800,000us-gaap_LiabilityForUncertainTaxPositionsNoncurrent  
Increase (Decrease) in Uncertain Tax Liability   238,000vvi_IncreaseDecreaseinUncertainTaxLiability    
Accrued Interest And Penalties For Continued Operations   53,000vvi_AccruedInterestAndPenaltiesForContinuedOperations    
Income Tax Penalties and Interest Expense   400,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense    
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit   300,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit    
Accrued Income Taxes Payable   636,000us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxesPayable 636,000us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxesPayable  
Accrued Interest and Penalties for Discontinued Operations   483,000vvi_AccruedInterestAndPenaltiesForDiscontinuedOperations    
Foreign Tax Authority        
Operating Loss Carryforwards [Line Items]        
Deferred Tax Asset Valuation Allowance, Change in Amount   (1,900,000)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember		    
Deferred Tax Assets, Gross   (1,536,000)us-gaap_DeferredTaxAssetsGross
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember		 (1,713,000)us-gaap_DeferredTaxAssetsGross
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember		  
Federal, State, Foreign        
Operating Loss Carryforwards [Line Items]        
Operating Loss Carryforwards   75,800,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= vvi_FederalStateForeignMember		 96,000,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= vvi_FederalStateForeignMember		  
Deferred Tax, Operating Loss Carryforwards   4,900,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= vvi_FederalStateForeignMember		 4,800,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= vvi_FederalStateForeignMember		  
State and Foreign        
Operating Loss Carryforwards [Line Items]        
Valuation Allowance   3,800,000us-gaap_DeferredTaxAssetsValuationAllowance
/ us-gaap_IncomeTaxAuthorityAxis
= vvi_StateandForeignMember		 1,500,000us-gaap_DeferredTaxAssetsValuationAllowance
/ us-gaap_IncomeTaxAuthorityAxis
= vvi_StateandForeignMember		  
Foreign Income Tax Credit        
Operating Loss Carryforwards [Line Items]        
Deferred Tax Asset Valuation Allowance, Change in Amount 11,400,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
/ us-gaap_TaxCreditCarryforwardAxis
= vvi_ForeignIncomeTaxCreditMember		      
Foreign Income Tax Credit | Foreign Tax Authority        
Operating Loss Carryforwards [Line Items]        
Deferred Tax Assets, Tax Credit Carryforwards   12,700,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
/ us-gaap_TaxCreditCarryforwardAxis
= vvi_ForeignIncomeTaxCreditMember		    
Tax Credit Carryforward, Expiration Period   10 years    
Alternative Minimum Tax Credit Carryforward        
Operating Loss Carryforwards [Line Items]        
Tax Credit Carryforward, Amount   $ 8,800,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_TaxCreditCarryforwardAxis
= vvi_AlternativeMinimumTaxCreditCarryforwardMember