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Basis Of Presentation Basis of Presentation (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jan. 30, 2015
Jan. 24, 2014
Net sales $ 1,014,669us-gaap_SalesRevenueNet $ 979,117us-gaap_SalesRevenueNet
Cost of sales 676,528us-gaap_CostOfGoodsAndServicesSold 653,958us-gaap_CostOfGoodsAndServicesSold
Reclassification of Freight Costs on Shipments to Customers [Member]    
Net sales 22,700us-gaap_SalesRevenueNet
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= val_ReclassificationofFreightCostsonShipmentstoCustomersMember
 
Cost of sales 22,700us-gaap_CostOfGoodsAndServicesSold
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= val_ReclassificationofFreightCostsonShipmentstoCustomersMember
 
Restatement Adjustment [Member] | Reclassification of Freight Costs on Shipments to Customers [Member]    
Net sales   23,000us-gaap_SalesRevenueNet
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= val_ReclassificationofFreightCostsonShipmentstoCustomersMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
Cost of sales   $ 23,000us-gaap_CostOfGoodsAndServicesSold
/ us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis
= val_ReclassificationofFreightCostsonShipmentstoCustomersMember
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember