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v2.4.1.9

Subsequent Events (Detail) (Subsequent Event [Member], USD $) | Feb. 18, 2015
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Subsequent Event [Member] |
Subsequent Event [Line Items] |
Dividend declared (USD per share) | $ 0.20 us-gaap_DividendsPayableAmountPerShare / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableAmountPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
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