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v3.10.0.1

Condensed Consolidated Statements of Equity (Unaudited) (Parenthetical) - $ / shares | 9 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017
Dividends per Common share | $ 0.60 | $ 0.54

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- Definition Aggregate dividends paid 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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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration