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Consolidated Condensed Statement of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - Retained Earnings [Member] - $ / shares	3 Months Ended
	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015
Dividends declared per share (in dollars per share)	$ 0.17	$ 0.17	$ 0.17	$ 0.16	$ 0.16	$ 0.16
Dividends declared per share (in dollars per share)	$ 0.17	$ 0.17	$ 0.17	$ 0.16	$ 0.16	$ 0.16

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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 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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