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Pension and Postretirement Benefits - Narrative (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Pension Plans | Funded Plan |
Defined Benefit Plan Disclosure [Line Items] |
Amount expected to contribute in funded pension plans | $ 1.4 vvi_DefinedBenefitFundedPensionPlanEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = vvi_FundedPlanMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Pension Contributions | 0.3 us-gaap_PensionContributions / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = vvi_FundedPlanMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Pension Plans | Unfunded Pension Plans |
Defined Benefit Plan Disclosure [Line Items] |
Amount expected to contribute in unfunded pension plans | 0.8 vvi_DefinedBenefitUnfundedPensionPlanEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = vvi_UnfundedPensionPlansDefinedBenefitMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Pension Contributions | 0.2 us-gaap_PensionContributions / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = vvi_UnfundedPensionPlansDefinedBenefitMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
US Postretirement Benefit Plans |
Defined Benefit Plan Disclosure [Line Items] |
Amount expected to contribute in postretirement benefit plans | 1.1 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember
Pension and Other Postretirement Benefit Contributions | $ 0.1 us-gaap_PensionAndOtherPostretirementBenefitContributions / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember

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- Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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- Definition The amount of cash or cash equivalents contributed during the reporting period by the entity to fund its pension plans and its non-pension postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The amount of cash or cash equivalents contributed by the entity to fund its pension plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition Defined benefit funded pension plan estimated future employer contributions in current fiscal year. + References No definition available. + Details
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- Definition Defined benefit unfunded pension plan estimated future employer contributions in current fiscal year. + References No definition available. + Details
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