Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net earnings available to common stockholders	$ 19,448	$ 16,548	$ 61,795	$ 38,649
Other comprehensive income (loss):
Currency translation adjustment, net of taxes of ($13), ($40), ($109) and ($83), respectively	(2,624)	(8,372)	(2,857)	(16,352)
Unrealized gains (losses) on interest rate swap cash flow hedge, net of taxes of $0 in all periods presented	96	2,070	(9)	6,061
Unrealized holding (losses) gains on marketable securities, net of taxes of $0 in all periods presented	0	(1)	1	(11)
Change in unfunded SERP liability, net of taxes of ($4), ($18), ($12) and ($52), respectively	14	61	41	182
Other comprehensive loss	(2,514)	(6,242)	(2,824)	(10,120)
Comprehensive income	$ 16,934	$ 10,306	$ 58,971	$ 28,529