CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - UNAUDITED - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 13,971	$ 11,798	$ 45,212	$ 44,635
Other comprehensive earnings (loss):
Changes in fair market value of derivatives, net of tax	(392)	1,727	816	3,667
Changes in unrealized pension cost, net of tax	22	(1,835)	(7)	341
Cumulative translation adjustment, net of tax	(3,996)	(6,071)	(812)	(8,332)
Other comprehensive earnings	(4,366)	(6,179)	(3)	(4,324)
Comprehensive earnings	$ 9,605	$ 5,619	$ 45,209	$ 40,311