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Pension and Postretirement Benefits - Additional Information (Detail) (USD $) | 9 Months Ended
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Sep. 30, 2013
Funded Plan [Member] |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
Amount expected to be contributed to funded pension plans | $ 2,600,000
Amount contributed to pension plans | 2,300,000
Unfunded Pension Plans [Member] |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
Amount contributed to pension plans | 665,000
Amount expected to contributed to unfunded pension plans | 1,100,000
Postretirement Benefit Plans [Member] |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |
Amount expected to be contributed to postretirement benefit plans | 400,000
Amount contributed to postretirement benefit plans | $ 64,000

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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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Namespace Prefix: | us-gaap_
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Period Type: | duration

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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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Namespace Prefix: | vvi_
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X
- Details
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