CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 232,841	$ 212,231	$ 671,718	$ 650,521
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	26,397	(12,949)	(1,261)	(6,939)
Reclassification adjustment for defined benefit plans included in net income, net of tax of $21 and $50 in 2024 and $21 and $75 in 2023	122	98	269	395
Unrealized gain (loss) on Euro-denominated notes, net of tax expense (benefit) of $(957) and $(228) in 2024 and $727 and $152 in 2023	(3,068)	2,331	(732)	488
Unrealized gain (loss) on investments, net of tax expense (benefit) of $0 and $0 in 2024 and $0 and $2 in 2023	0	(1)	1	6
Reclassification adjustment on investments included in net income, net of tax of $0 and $51 in 2024 and $0 and $0 in 2023	0	0	163	0
Unrealized gain (loss) on derivative instruments:
Unrealized gain (loss) on foreign currency exchange contracts, net of tax expense (benefit) of $(2,868) and $228 in 2024 and $2,765 and $2,785 in 2023	(7,702)	7,645	444	7,305
Unrealized gain (loss) on cross currency swaps, net of tax expense (benefit) of $(1,171) and $(116) in 2024 and $579 and $(361) in 2023	(3,754)	1,858	(370)	(1,158)
Unrealized gain (loss) on interest rate swap, net of tax expense (benefit) of $(560) and $310 in 2024 and $545 and $1,638 in 2023	(1,793)	1,749	997	5,254
Reclassification adjustments for (gain) loss included in net income, net of tax (expense) benefit of $(380) and $(1,563) in 2024 and $(701) and $(945) in 2023	(992)	(1,957)	(4,276)	(2,446)
Unrealized gain (loss) on derivative instruments	(14,241)	9,295	(3,205)	8,955
Other comprehensive income (loss), net of tax	9,210	(1,226)	(4,765)	2,905
Comprehensive income	$ 242,051	$ 211,005	$ 666,953	$ 653,426