CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 281,822	$ 242,239	$ 914,043	$ 470,813
Foreign currency translation adjustments:
Foreign currency translation (loss) gain	(12,603)	21,335	(41,945)	37,907
Reclassification of foreign currency translation losses to earnings	0	0	13,931	0
Total foreign currency translation adjustments (net of $(3,074), $3,166, $(7,460) and $7,216 tax (provision) benefit, respectively)	(12,603)	21,335	(28,014)	37,907
Pension and other post-retirement benefit plans:
Amortization of actuarial gain included in net periodic pension cost	(369)	(528)	(736)	(1,062)
Amortization of prior service (credits) costs included in net periodic pension cost	(153)	255	(312)	519
Total pension and other post-retirement benefit plans (net of $138, $83, $277 and $165 tax benefit, respectively)	(522)	(273)	(1,048)	(543)
Changes in fair value of cash flow hedges:
Unrealized net gain (loss) arising during period	988	(268)	861	(341)
Net (gain) loss reclassified into earnings	(231)	852	(704)	1,698
Total cash flow hedges (net of $(223), $(167), $(46) and $(387) tax benefit (provision), respectively)	757	584	157	1,357
Other comprehensive (loss) earnings, net of tax	(12,368)	21,646	(28,905)	38,721
Comprehensive earnings	$ 269,454	$ 263,885	$ 885,138	$ 509,534