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Repurchases Of Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2014
Repurchases Of Common Stock [Abstract] |
Schedule Of Common Stock Repurchases |
|  | For the Years Ended December 31,
|  | 2014 |  | 2013 |  | 2012
Shares repurchased |  |  | 4,881 |  |  | 3,952 |  |  | 1,474
Total cost of shares repurchased |  | $ | 618,158 |  | $ | 367,761 |  | $ | 132,268
Average cost per share |  | $ | 126.66 |  | $ | 93.06 |  | $ | 89.72

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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