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Stock Award Plans (Tables) | 6 Months Ended
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Jun. 30, 2020
Stock Award Plans [Abstract] |
Compensation Cost Breakdown in Statement of Earnings | The compensation cost that has been charged against earnings for the Company’s stock award plans and the income tax benefit recognized in the statement of earnings for stock awards were as follows (in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Compensation cost |  | $ | 3,321 |  |  | $ | 3,007 |  |  | $ | 8,652 |  |  | $ | 7,907 |
Income tax benefit |  | $ | 889 |  |  | $ | 740 |  |  | $ | 2,151 |  |  | $ | 1,909 |

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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