Net Income Per Share (Details)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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Net Income Per Share [Line Items] | ||||
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans | 12,065 | 69,562 | 22,952 | 57,210 |
Employee Stock Option [Member]
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Net Income Per Share [Line Items] | ||||
Deferred stock awards excluded from calculation of earnings per share | 80,290 | 0 | 80,290 | 0 |
Deferred Stock [Member]
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Net Income Per Share [Line Items] | ||||
Deferred stock awards excluded from calculation of earnings per share | 150,748 | 78,943 | 150,748 | 78,943 |
X | ||||||||||
- Details
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X | ||||||||||
- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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