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v3.19.1

New Accounting Pronouncements (Additional Information) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2019 | Jan. 31, 2018
Accounting Changes and Error Corrections [Abstract] |  |
Pension expense | $ 1,257 | $ 1,181

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- Definition The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including equity-based compensation, and pension and other postretirement benefit expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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