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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2015
Equity [Abstract] |
Number and Cost of Common Stock Shares Repurchased | The number and the cost of common stock shares repurchased during the years ended December 31, 2015, 2014 and 2013, are reflected in the following table (in thousands):
|  | Years Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Common stock repurchased (in shares) |  | 4,343 |  |  | 3,336 |  |  | 3,305 |
Common stock repurchased |  | $ | 228,166 |  |  | $ | 161,587 |  |  | $ | 117,864 |
Number and Cost of Employee Stock Plan Repurchases | The number and the cost of employee stock plan repurchases made during the years ended December 31, 2015, 2014 and 2013, are reflected in the following table (in thousands):
|  | Years Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Employee stock plan repurchased (in shares) |  | 474 |  |  | 462 |  |  | 1,157 |
Employee stock plan repurchased |  | $ | 24,755 |  |  | $ | 22,386 |  |  | $ | 44,169 |
Cash Dividends Declared | The cash dividends declared during the years ended December 31, 2015, 2014 and 2013, are reflected in the following table:
|  | Years Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Cash dividends declared per share |  | $ | .80 |  |  | $ | .72 |  |  | $ | .64 |

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- Definition Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Tabular disclosure of the details pertaining to each employee stock ownership plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
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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 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: 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 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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