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Contingencies (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2018 | Jan. 31, 2017
Loss Contingencies [Line Items] |  |
Liability retention losses | $ 30,000,000 |
Expected future losses | $ 1,375,000 | $ 1,650,000
Estimated payout period | 5 years |
Discount rate | 2.00% | 2.00%
Product and General Liability [Member] |  |
Loss Contingencies [Line Items] |  |
Self insurance reserve | $ 250,000 |
Workers Compensation [Member] |  |
Loss Contingencies [Line Items] |  |
Self insurance reserve | 250,000 |
Automobile Losses [Member] |  |
Loss Contingencies [Line Items] |  |
Self insurance reserve | $ 50,000 |

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- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Self Insurance Coverage Amount + References No definition available. + Details
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- Details
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- Details
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