Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net earnings	$ 105,367	$ 96,104	$ 84,623
Other comprehensive (loss)/ income, net of tax:
Net foreign currency translation adjustment	(4,799)	(11,255)	12,829
Unrealized gain/(loss) on cash flow hedge, net of taxes of $868, $654, and $809 at December 31, 2022, 2021, and 2020, respectively	2,696	2,053	(2,285)
Net change in postretirement benefit plan, net of taxes of $24, $13, and $127 at December 31, 2022, 2021 and 2020, respectively	(58)	36	(807)
Other comprehensive (loss)/ income, net of tax	(2,161)	(9,166)	9,737
Comprehensive income	$ 103,206	$ 86,938	$ 94,360