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NET EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Reconciliation of the Net Earnings and Shares used in Calculating Basic and Diluted Net Earnings Per Share | The following presents a reconciliation of the net earnings and shares used in calculating basic and diluted net earnings per common share:
|  | Year Ended December 31,
|  | 2020 |  | 2019 |  | 2018
Net Earnings - Basic and Diluted |  | $ | 84,623 |  |  | $ | 79,671 |  |  | $ | 78,573 |
Share (000s) |  |  |  |  |  |
Weighted Average Common Shares - Basic |  | 32,176 |  |  | 32,136 |  |  | 32,093 |
Effect of Dilutive Securities – Stock Options, Restricted Stock, and Performance Shares |  | 327 |  |  | 369 |  |  | 352 |
Weighted Average Common Shares - Diluted |  | 32,503 |  |  | 32,505 |  |  | 32,445 |
Net Earnings Per Share - Basic |  | $ | 2.63 |  |  | $ | 2.48 |  |  | $ | 2.45 |
Net Earnings Per Share - Diluted |  | $ | 2.60 |  |  | $ | 2.45 |  |  | $ | 2.42 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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