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EARNINGS PER SHARE (Tables) | 3 Months Ended
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Mar. 31, 2026
EARNINGS PER SHARE |
Earnings per share and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
(in thousands, except per share data) | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 42,569 | ​ | $ | 47,268
Dividends declared on Common Stock: | ​ | ​ | ​ | ​ | ​ | ​
Class A Shares | ​ | ​ | (8,603) | ​ | ​ | (7,799)
Class B Shares | ​ | ​ | (967) | ​ | ​ | (882)
Undistributed net income for basic earnings per share | ​ | ​ | 32,999 | ​ | ​ | 38,587
Weighted average potential dividends on Class A Shares upon exercise of dilutive options | ​ | ​ | (17) | ​ | ​ | (39)
Undistributed net income for diluted earnings per share | ​ | $ | 32,982 | ​ | $ | 38,548
​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares outstanding: | ​ | ​ | ​ | ​ | ​ | ​
Class A Shares | ​ |  | 17,647 | ​ |  | 17,561
Class B Shares | ​ | ​ | 2,148 | ​ | ​ | 2,150
Effect of dilutive securities on Class A Shares outstanding | ​ |  | 35 | ​ |  | 86
Weighted average shares outstanding including dilutive securities | ​ |  | 19,830 | ​ |  | 19,797
​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per share: | ​ | ​ | ​ | ​ | ​ | ​
Class A Common Stock: | ​ | ​ | ​ | ​ | ​ | ​
Per share dividends distributed | ​ | $ | 0.50 | ​ | $ | 0.45
Undistributed earnings per share* | ​ | ​ | 1.68 | ​ | ​ | 1.98
Total basic earnings per share - Class A Common Stock | ​ | $ | 2.18 | ​ | $ | 2.43
​ | ​ | ​ | ​ | ​ | ​ | ​
Class B Common Stock: | ​ | ​ | ​ | ​ | ​ | ​
Per share dividends distributed | ​ | $ | 0.45 | ​ | $ | 0.41
Undistributed earnings per share* | ​ | ​ | 1.53 | ​ | ​ | 1.80
Total basic earnings per share - Class B Common Stock | ​ | $ | 1.98 | ​ | $ | 2.21
​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted earnings per share: | ​ | ​ | ​ | ​ | ​ | ​
Class A Common Stock: | ​ | ​ | ​ | ​ | ​ | ​
Per share dividends distributed | ​ | $ | 0.50 | ​ | $ | 0.45
Undistributed earnings per share* | ​ | ​ | 1.68 | ​ | ​ | 1.97
Total diluted earnings per share - Class A Common Stock | ​ | $ | 2.18 | ​ | $ | 2.42
​ | ​ | ​ | ​ | ​ | ​ | ​
Class B Common Stock: | ​ | ​ | ​ | ​ | ​ | ​
Per share dividends distributed | ​ | $ | 0.45 | ​ | $ | 0.41
Undistributed earnings per share* | ​ | ​ | 1.53 | ​ | ​ | 1.79
Total diluted earnings per share - Class B Common Stock | ​ | $ | 1.98 | ​ | $ | 2.20
* | To arrive at undistributed earnings per share, undistributed net income is first prorated between Class A and Class B Common Shares, with Class A Common Shares receiving a 10% premium. The resulting pro-rated, undistributed net income for each class is then divided by the weighted-average shares for each class.
​
Antidilutive stock options | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025 | ​
​ | ​ | ​ | ​ | ​ | ​
Antidilutive stock options |  | 62,480 | ​ | 43,612 | ​
Average antidilutive stock options |  | 55,787 | ​ | 35,218 | ​
​

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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