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Consolidated Condensed Statements of Stockholders' Equity (Parenthetical) - $ / shares |  | 3 Months Ended
--- | --- | ---
Feb. 10, 2020 | Jul. 31, 2020 | Jan. 31, 2020 | Jul. 31, 2019 | Jan. 31, 2019
Statement of Stockholders' Equity [Abstract] |  |  |  |  |
Dividends on common stock (in dollars per share) | $ 0.03 | $ 0.03 | $ 0.03 | $ 0.03 | $ 0.03

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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- References No definition available. + Details
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