CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,056,828	$ 1,065,376	$ 1,123,818
Foreign currency translation adjustments:
Foreign currency translation gains (losses)	38,893	(119,010)	(39,819)
Reclassification of foreign currency translation losses to earnings	0	5,915	0
Total foreign currency translation adjustments (net of $10,438, $(17,824) and $(20,976) tax benefit (provision), respectively)	38,893	(113,095)	(39,819)
Pension and other post-retirement benefit plans:
Actuarial (losses) gains	(14,820)	(2,658)	26,960
Prior service (costs) credit	(53)	1,370	(1,433)
Amortization of actuarial (gains) losses included in net periodic pension cost	(1,982)	1,903	9,451
Amortization of prior service costs included in net periodic pension cost	852	888	1,023
Settlement and curtailment impact	2,831	3,688	1,167
Total pension and other post-retirement benefit plans (net of $3,569, $(2,230) and $(9,868) tax benefit (provision), respectively)	(13,172)	5,191	37,168
Changes in fair value of cash flow hedges:
Unrealized net gains (losses) arising during period	682	(535)	6,724
Net losses (gains) reclassified into earnings	1,954	(3,732)	(4,871)
Total cash flow hedges (net of $(778), $1,217 and $(532) tax (provision) benefit, respectively)	2,636	(4,267)	1,853
Other comprehensive earnings (loss), net of tax	28,357	(112,171)	(798)
Comprehensive earnings	$ 1,085,185	$ 953,205	$ 1,123,020