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Debt - Schedule of Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 02, 2014
Nov. 03, 2013
Extinguishment of Debt [Line Items]    
8.2% term loan $ 8,127us-gaap_LongTermDebt  
Less amounts due within one year 911us-gaap_LongTermDebtCurrent 839us-gaap_LongTermDebtCurrent
Total long-term debt 7,216us-gaap_LongTermDebtNoncurrent 8,127us-gaap_LongTermDebtNoncurrent
Term loan interest rate 8.20%us-gaap_DebtInstrumentInterestRateStatedPercentage 8.20%us-gaap_DebtInstrumentInterestRateStatedPercentage
8.2% Term Loan [Member]    
Extinguishment of Debt [Line Items]    
8.2% term loan $ 8,127us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= visi_EightPointTwoPercentTermLoanMember
$ 8,966us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= visi_EightPointTwoPercentTermLoanMember
Term loan interest rate 8.20%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= visi_EightPointTwoPercentTermLoanMember