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Note 5 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2025				2024				2025				2024

Numerator:
Net earnings		$	22,250			$	8,080			$	66,985			$	42,760
Less dividends declared:
Class A			127				125				381				381
Class B			741				715				2,218				2,190
Undistributed earnings		$	21,382			$	7,240			$	64,386			$	40,189

Undistributed earnings allocation:
Class A undistributed earnings		$	3,429			$	1,172			$	10,349			$	6,491
Class B undistributed earnings			17,953				6,068				54,037				33,698
Total undistributed earnings		$	21,382			$	7,240			$	64,386			$	40,189

Net earnings allocation:
Class A net earnings		$	3,556			$	1,297			$	10,730			$	6,872
Class B net earnings			18,694				6,783				56,255				35,888
Net earnings		$	22,250			$	8,080			$	66,985			$	42,760

Denominator:
Weighted-average shares outstanding:
Class A			2,115				2,116				2,115				2,126
Class B			10,548				10,434				10,519				10,512

Net earnings per share:
Class A		$	1.68			$	0.61			$	5.07			$	3.23
Class B		$	1.77			$	0.65			$	5.35			$	3.41