v2.4.0.8

Summary of Significant Accounting Policies , Basis of Presentation (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2013 | Dec. 31, 2009
Accounting Policies [Abstract] |  |  |
Out-of-period Adjustment Relating to Retired Treasury Stock | $ 3.0 |  |
Repurchase and retirement of common stock (in shares) |  | 2,100,000 | 1,409,264

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- Definition Out-of-period Adjustment Relating to Retired Treasury Stock + References No definition available. + Details
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- Definition Number of shares that have been repurchased and retired during the period. + 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 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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