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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Nov. 02, 2014
Nov. 03, 2013
Deferred tax assets:    
Net operating loss carryforwards $ 58,740us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 50,201us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
US federal tax credit carryforwards 35,364us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 27,676us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Purchased intangible assets 11,183us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets 13,363us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Deferred income 3,482us-gaap_DeferredTaxAssetsDeferredIncome 8,659us-gaap_DeferredTaxAssetsDeferredIncome
Compensation accruals 6,645us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits 7,996us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Other, net 6,225us-gaap_DeferredTaxAssetsOther 3,914us-gaap_DeferredTaxAssetsOther
Total deferred tax assets 121,639us-gaap_DeferredTaxAssetsGross 111,809us-gaap_DeferredTaxAssetsGross
Less valuation allowance (109,245)us-gaap_DeferredTaxAssetsValuationAllowance (96,231)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred tax assets, net 12,394us-gaap_DeferredTaxAssetsNet 15,578us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:    
Unremitted earnings from foreign subsidiaries 8,714us-gaap_UndistributedEarningsOfForeignSubsidiaries 8,769us-gaap_UndistributedEarningsOfForeignSubsidiaries
Software development costs 175us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware 1,317us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware
Accelerated tax depreciation and amortization 2,580visi_DeferredTaxAssetsAcceleratedTaxDepreciationAndAmortization 9visi_DeferredTaxAssetsAcceleratedTaxDepreciationAndAmortization
Other, net 1,786us-gaap_DeferredTaxLiabilitiesOther 4,170us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities 13,255us-gaap_DeferredIncomeTaxLiabilities 14,265us-gaap_DeferredIncomeTaxLiabilities
Balance sheet classification    
Current assets 320us-gaap_DeferredTaxAssetsNetCurrent 0us-gaap_DeferredTaxAssetsNetCurrent
Non-current assets 2,992us-gaap_DeferredTaxAssetsNetNoncurrent 4,422us-gaap_DeferredTaxAssetsNetNoncurrent
Current liabilities (2,910)us-gaap_DeferredTaxLiabilitiesCurrent (2,759)us-gaap_DeferredTaxLiabilitiesCurrent
Non-current liabilities (1,263)us-gaap_DeferredTaxLiabilitiesNoncurrent (350)us-gaap_DeferredTaxLiabilitiesNoncurrent
Net deferred tax asset (liability) $ (861)us-gaap_DeferredTaxAssetsLiabilitiesNet $ 1,313us-gaap_DeferredTaxAssetsLiabilitiesNet