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Stock Award Plans | 9 Months Ended
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Sep. 30, 2021
Stock Award Plans [Abstract] |
Stock Award Plans | (8) Stock Award Plans 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 September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Compensation cost |  | $ | 3,645 |  |  | $ | 3,414 |  |  | $ | 12,793 |  |  | $ | 12,066 |
Income tax benefit |  | $ | 1,068 |  |  | $ | 1,181 |  |  | $ | 3,660 |  |  | $ | 3,332 |
On March 1, 2021, subject to stockholder approval, the Board of Directors approved amendments to the Company’s 2005 Stock and Incentive Plan (the “Plan”) to, among other things, add 1,400,000 shares of availability. The amendment to the Plan was subsequently approved at the Annual Meeting of Stockholders on April 27, 2021. At September 30, 2021, there wer e 2,228,857 shares available for future grants under the Plan. During the nine months ended September 30, 2021, the Company grante d 311,016 restricted stock units (“RSUs”) to selected officers and other key employees under the Plan, the majority of which vest ratably over five years. During the nine months ended September 30, 2021, the Company granted 29,773 sh ares of restricted stock to nonemployee directors of the Company under the director stock award plan. The restricted stock vests six months after the date of grant except that restricted stock granted in lieu of cash director fees vests in equal quarterly increments through March 31, 2022.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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