CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net earnings	$ 109,472	$ 82,047	$ 157,360
Cash flow hedges adjustment, net of tax of $524, $193 and $32, respectively	948	(346)	816
Pension adjustment, net of tax of $475, $409 and $347, respectively	(1,293)	(1,221)	1,027
Foreign currency translation on net investment hedges	(24,044)	3,091	13,661
Tax effect of current year activity on net investment hedges	5,973	(768)	(3,393)
Foreign currency translation on long-term intercompany loans	(7,731)	(752)	3,276
Tax effect of current year activity on intercompany long-term loans	3,757	(768)	(2,498)
Reclassification of cumulative translation to net earnings	(8,625)	0	0
Other foreign currency translation	34,932	3,311	(27,721)
Total comprehensive income	$ 113,389	$ 84,594	$ 142,528