CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings	$ 228,574	$ 226,153
Foreign currency translation adjustments:
Foreign currency translation gain (loss)	16,572	(21,653)
Reclassification of foreign currency translation losses to earnings	0	5,915
Total foreign currency translation adjustments (net of $4,050 and $(8,431) tax benefit (provision), respectively)	16,572	(15,738)
Pension and other post-retirement benefit plans:
Amortization of actuarial (gain) loss included in net periodic pension cost	(534)	360
Amortization of prior service costs included in net periodic pension cost	264	221
Total pension and other post-retirement benefit plans (net of $82 and $(208) tax benefit (provision), respectively)	(270)	581
Changes in fair value of cash flow hedges:
Unrealized net (loss) gain arising during period	(73)	1,964
Net loss (gain) reclassified into earnings	846	(1,576)
Total cash flow hedges (net of $(220) and $(112) tax provision, respectively)	773	388
Other comprehensive earnings (loss), net of tax	17,075	(14,769)
Comprehensive earnings	$ 245,649	$ 211,384