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Stock Buy Back Plans (Tables) | 12 Months Ended
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Dec. 31, 2013
Equity [Abstract] |
Number of Shares Purchased and Maximum Value of Shares That yet be Purchased Under Plan | The following table displays the number of shares purchased during 2013 and the maximum value of shares that may yet be purchased under the plan:
|  | Total Number of Shares Purchased |  |  | Average Price Paid Per Share |  |  | Total Number of Shares Purchased as Part of Publicly Announced Plan |  |  | Maximum Value of Shares that May Yet Be Purchased Under the Plan (in 000’s) |
January 1 to March 31 |  |  | 26,593 |  |  | $ | 33.94 |  |  |  | 26,593 |  |  | $ | 12,888 |
April 1 to June 30 |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | 12,888 |
July 1 to September 30 |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | 12,888 |
October 1 to December 31 |  |  | 351,313 |  |  | $ | 36.69 |  |  |  | 351,313 |  |  | $ | — |
Total |  |  | 377,906 |  |  | $ | 36.49 |  |  |  | 377,906 |  |  | $ | — |

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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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