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Consolidated Condensed Statement of Changes in Shareholders' Equity (unaudited) (Parentheticals) (USD $) | 3 Months Ended
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Jan. 31, 2015 | Oct. 31, 2014 | Jul. 31, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013
Statement Of Stockholders Equity [Abstract] |  |  |  |  |  |
Dividends declared per share (in dollars per share) | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.15 us-gaap_CommonStockDividendsPerShareDeclared

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=27012166&loc=d3e187085-122770 + Details
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- Details
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