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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) (Unaudited) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Statement of Stockholders' Equity [Abstract] |  |
Dividend declared (in dollars per share) | $ 0.2875 | $ 1.1325
Deferred compensation plan held Rabbi Trust (shares) | 75,959 | 70,631
Shares issued under the performance incentive plan withheld for employee taxes (shares) | 12,031 | 12,620

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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 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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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
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