CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 235,579	$ 214,054
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(19,773)	4,258
Reclassification adjustment for defined benefit plans included in net income, net of tax of $19 in 2024 and $20 in 2023	94	119
Unrealized gain (loss) on Euro-denominated notes, net of tax expense (benefit) of $505 in 2024 and $(465) in 2023	1,618	(1,490)
Unrealized gain (loss) on investments, net of tax expense (benefit) of $0 in 2024 and $2 in 2023	1	6
Reclassification adjustment on investments included in net income, net of tax of $51 in 2024 and $0 in 2023	163	0
Unrealized gain (loss) on derivative instruments:
Unrealized gain (loss) on foreign currency exchange contracts, net of tax expense (benefit) of $2,252 in 2024 and $(26) in 2023	5,848	(209)
Unrealized gain (loss) on cross currency swaps, net of tax expense (benefit) of $638 in 2024 and $(387) in 2023	2,049	(1,240)
Unrealized gain (loss) on interest rate swap, net of tax expense (benefit) of $656 in 2024 and $(14) in 2023	2,106	(45)
Reclassification adjustments for (gain) loss included in net income, net of tax (expense) benefit of $(470) in 2024 and $(117) in 2023	(1,297)	(218)
Unrealized gain (loss) on derivative instruments	8,706	(1,712)
Other comprehensive (loss) income, net of tax	(9,191)	1,181
Comprehensive income	$ 226,388	$ 215,235