XML 72 R66.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended | 0 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Feb. 02, 2015
Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared per common share (in dollars per share) | $ 0.14 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.140 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.140 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.125 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.125 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.125 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.125 us-gaap_CommonStockDividendsPerShareDeclared | $ 0 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.545 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.375 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.625 us-gaap_CommonStockDividendsPerShareDeclared |
Subsequent event |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared per common share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 0.14 us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Common stock repurchase, authorized amount |  |  |  |  |  |  |  |  |  |  |  | $ 50.0 us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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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
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |