CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - UNAUDITED - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 18,344	$ 20,239
Other comprehensive earnings (loss):
Changes in fair market value of derivatives, net of tax	379	1,235
Changes in unrealized pension cost, net of tax	(34)	94
Cumulative translation adjustment, net of tax	1,024	(249)
Other comprehensive earnings	1,369	1,080
Comprehensive earnings	$ 19,713	$ 21,319

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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