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Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 02, 2014
Nov. 03, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments $ 5,543us-gaap_ShortTermInvestments $ 6,144us-gaap_ShortTermInvestments
Total financial assets 5,543us-gaap_AssetsFairValueDisclosure 6,144us-gaap_AssetsFairValueDisclosure
Financial Liabilities [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total financial liabilities 5,439us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FinancialInstrumentAxis
= visi_FinancialLiabilitiesMember
6,041us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FinancialInstrumentAxis
= visi_FinancialLiabilitiesMember
Fair Value Hierarchy Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term investments 5,543us-gaap_ShortTermInvestments
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
6,144us-gaap_ShortTermInvestments
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
Deferred compensation plan liabilities $ 5,439us-gaap_DeferredCompensationLiabilityCurrent
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
$ 6,041us-gaap_DeferredCompensationLiabilityCurrent
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member