CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 289,618	$ 264,508	$ 515,771	$ 497,277
Foreign currency translation adjustments:
Foreign currency translation (losses) gains	(77,552)	21,559	(99,205)	8,588
Reclassification of foreign currency translation losses to earnings	0	0	5,915	0
Total foreign currency translation adjustments (net of $(10,539), $4,269, $(18,970) and $(6,223) tax benefit (provision), respectively)	(77,552)	21,559	(93,290)	8,588
Pension and other post-retirement benefit plans:
Amortization of actuarial losses included in net periodic pension cost	345	2,353	705	4,727
Amortization of prior service costs included in net periodic pension cost	226	224	447	432
Total pension and other post-retirement benefit plans (net of $(202), $(774), $(410) and $(1,548) tax provision, respectively)	571	2,577	1,152	5,159
Changes in fair value of cash flow hedges:
Unrealized net (losses) gains arising during period	(1,150)	(5)	814	4,319
Net gains reclassified into earnings	(1,045)	(1,460)	(2,621)	(2,871)
Total cash flow hedges (net of $631, $447, $519 and $(424) tax benefit (provision), respectively)	(2,195)	(1,465)	(1,807)	1,448
Other comprehensive (loss) earnings, net of tax	(79,176)	22,671	(93,945)	15,195
Comprehensive earnings	$ 210,442	$ 287,179	$ 421,826	$ 512,472