Condensed Consolidated Statements of Comprehensive Income - 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	$ 29,075	$ 25,249	$ 81,895	$ 83,961
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	(14,425)	(34,874)	(6,117)	(44,667)
Unrealized gain (loss) on cash flow hedge	0	427	(1,065)	2,850
Change in postretirement benefit plans	2	2	104	(59)
Other comprehensive loss	(14,423)	(34,445)	(7,078)	(41,876)
Comprehensive income (loss)	$ 14,652	$ (9,196)	$ 74,817	$ 42,085