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Stockholders' Equity - Additional Information (Detail) (USD $) | 6 Months Ended | 0 Months Ended | 6 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2014 2013 Program | Sep. 06, 2013 2013 Program Maximum | Jun. 30, 2014 Long Term Incentive Plan | Jul. 23, 2014 Subsequent Event Dividend Declared
Stockholders Equity Note [Line Items] |  |  |  |  |
Dividend declaration date |  |  |  |  | Jul. 23, 2014
Dividend per share, declared |  |  |  |  | $ 0.10
Dividend payment date |  |  |  |  | Sep. 24, 2014
Dividend record date |  |  |  |  | Sep. 10, 2014
Amount approved for repurchases under stock buyback program |  |  | $ 200,000,000 |  |
Remaining Amount approved for repurchases under stock buyback program | 187,000,000 |  |  |  |
Treasury stock shares acquired |  | 13,898 |  | 536,630 |
Treasury stock shares acquired, fair vale | $ 18,147,000 | $ 466,000 |  | $ 17,681,000 |

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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
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