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v2.4.1.9

Income Taxes (Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Jan. 31, 2015 | Jan. 31, 2014
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Deferred tax assets |  |
Accrued vacation and sick leave | $ 1,003 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences | $ 913 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences
Retirement plans | 10,887 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions | 8,960 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
Insurance reserves | 830 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance | 956 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance
Warranty | 487 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves | 481 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves
Net operating loss carryforwards | 13,303 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 12,494 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Intangibles | 145 us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets | 207 us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Inventory | 1,472 us-gaap_DeferredTaxAssetsInventory | 1,590 us-gaap_DeferredTaxAssetsInventory
Other | 595 us-gaap_DeferredTaxAssetsOther | 907 us-gaap_DeferredTaxAssetsOther
Total deferred tax assets | 28,722 us-gaap_DeferredTaxAssetsGross | 26,508 us-gaap_DeferredTaxAssetsGross
Deferred tax liabilities |  |
Tax in excess of book depreciation | (1,458)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | (1,407)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Other | (85)us-gaap_DeferredTaxLiabilitiesOther | (76)us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities | (1,543)us-gaap_DeferredIncomeTaxLiabilities | (1,483)us-gaap_DeferredIncomeTaxLiabilities
Valuation allowance | (26,399)us-gaap_DeferredTaxAssetsValuationAllowance | (24,210)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred tax asset | 780 us-gaap_DeferredTaxAssetsLiabilitiesNet | 815 us-gaap_DeferredTaxAssetsLiabilitiesNet
Deferred Tax Assets, Net, Current | 156 us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent | 203 us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent
Long-term deferred tax assets | $ 624 us-gaap_DeferredTaxAssetsNetNoncurrent | $ 611 us-gaap_DeferredTaxAssetsNetNoncurrent

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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