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Stockholders' Equity (Rollforward Of Common Stock Table) (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Class of Stock [Line Items] |  |  |
Balance (Outstanding Shares), Beginning | 10,242,405 |  |
Purchased through share repurchase program (Treasury) | 80,512 |  |
Balance (Outstanding Shares), Ending | 10,221,006 | 10,242,405 |
Common Stock [Member] |  |  |
Class of Stock [Line Items] |  |  |
Balance (Treasury Shares), Beginning | 873,374 | 927,258 | 966,381
Balance (Outstanding Shares), Beginning | 10,242,405 | 10,188,521 | 10,149,398
Issued for stock-based compensation plans (Treasury) | (59,113) | (53,884) | (39,123)
Issued for stock-based compensation plans (Outstanding) | 59,113 | 53,884 | 39,123
Purchased through share repurchase program (Treasury) | 80,512 |  |
Purchased through share repurchase program (Outstanding) | (80,512) |  |
Balance (Treasury Shares), Ending | 894,773 | 873,374 | 927,258
Balance (Outstanding Shares), Ending | 10,221,006 | 10,242,405 | 10,188,521

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- Definition Number of common shares reissued from treasury during the period. Upon reissuance of shares from treasury, the common or preferred stock reissued is outstanding. + References No definition available. + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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