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Debt (Details) € in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
Debt (Details) € in Thousands, $ in Thousands	Sep. 30, 2024 USD ($) Rate	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Rate	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 EUR (€)	Sep. 30, 2024	Dec. 31, 2023 USD ($)
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					$ 1,250,882
Unamortized Debt Issuance Expense					(3,658)
Line of Credit Facility, Fair Value of Amount Outstanding					760,140
Total debt					2,077,485
Debt, Current					(185,824)
Long-term Debt					1,891,661
Line of Credit Facility, Remaining Borrowing Capacity					585,300
Cash and Cash Equivalents, at Carrying Value					71,574			$ 69,807
Gain (Loss) on Derivative Used in Net Investment Hedge, after Tax	$ 17,900	$ 15,300	$ 4,600	$ 6,400
Cumulative (gain) loss in other other comprehensive income related to the change in a net investment hedge.					12,700
Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					822,600
Unamortized Debt Issuance Expense					(2,400)
Line of Credit Facility, Fair Value of Amount Outstanding					438,206
Total debt					1,269,356
Debt, Current					(128,162)
Long-term Debt					1,141,194
Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					428,282
Unamortized Debt Issuance Expense					(1,258)
Line of Credit Facility, Fair Value of Amount Outstanding					321,934
Total debt					808,129
Debt, Current					(57,662)
Long-term Debt					750,467
3.67% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	3.67%		3.67%
Debt Instrument, Maturity Date			Dec. 17, 2022
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					50,000
Debt Instrument, Term			10 years
4.10% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	4.10%		4.10%
Debt Instrument, Maturity Date			Sep. 19, 2023
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					50,000
Debt Instrument, Term			10 years
3.84% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	3.84%		3.84%
Debt Instrument, Maturity Date			Sep. 19, 2024
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					125,000
Debt Instrument, Term			10 years
4.24% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	4.24%		4.24%
Debt Instrument, Maturity Date			Jun. 25, 2025
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					125,000
Debt Instrument, Term			10 years
4.24% Senior Notes [Member] \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					125,000
4.24% Senior Notes [Member] \| Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					0
3.91% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	3.91%		3.91%
Debt Instrument, Maturity Date			Jun. 25, 2029
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					75,000
Debt Instrument, Term			10 years
3.91% Senior Notes [Member] \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					75,000
3.91% Senior Notes [Member] \| Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					0
3.19% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	3.19%		3.19%
Debt Instrument, Maturity Date			Jan. 24, 2035
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					50,000
Debt Instrument, Term			15 years
3.19% Senior Notes [Member] \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					50,000
3.19% Senior Notes [Member] \| Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					0
1.47% EURO Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	1.47%		1.47%
Euro Notes - USD Amount					139,461
Debt Instrument, Maturity Date			Jun. 17, 2030
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes \| €						€ 125,000
Debt Instrument, Term			15 years
1.47% EURO Senior Notes [Member] \| Us Dollar Amounts Member
Debt Instrument [Line Items]
Euro Notes - USD Amount					0
1.47% EURO Senior Notes [Member] \| Other Principal Trading Currencies [Member]
Debt Instrument [Line Items]
Euro Notes - USD Amount					139,461
1.30% Euro-Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	1.30%		1.30%
Euro Notes - USD Amount					150,618
Debt Instrument, Maturity Date			Nov. 06, 2034
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes \| €						€ 135
Debt Instrument, Term			15 years
1.30% Euro-Senior Notes [Member] \| Us Dollar Amounts Member
Debt Instrument [Line Items]
Euro Notes - USD Amount					0
1.30% Euro-Senior Notes [Member] \| Other Principal Trading Currencies [Member]
Debt Instrument [Line Items]
Euro Notes - USD Amount					150,618
Credit facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	0.975%		0.975%
Debt Instrument, Maturity Date			Jun. 15, 2023
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					1,250,000
Other local arrangements [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Other Borrowings					66,463
Other local arrangements [Member] \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Other Borrowings					8,550
Other local arrangements [Member] \| Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Other Borrowings					57,913
Swiss Pension Loans [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.85%		0.85%				9750.00%
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Loan from Swiss Pension Plan USD Amount					39,600
Swiss Pension Loans (local currency)					38,000
1.06% Euro-Senior Notes
Debt Instrument [Line Items]
Euro Notes - USD Amount					139,461
1.06% Euro-Senior Notes \| Us Dollar Amounts Member
Debt Instrument [Line Items]
Euro Notes - USD Amount					0
1.06% Euro-Senior Notes \| Other Principal Trading Currencies [Member]
Debt Instrument [Line Items]
Euro Notes - USD Amount					139,461
2.83% Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	2.83%		2.83%
Debt Instrument, Maturity Date			Jul. 22, 2033
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					125,000
Debt Instrument, Term			12 years
2.83% Senior Notes \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					125,000
2.83% Senior Notes \| Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					0
2.81% Senior Note
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	2.81%		2.81%
Debt Instrument, Maturity Date			Mar. 27, 2037
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					150,000
Debt Instrument, Term			15 years
2.81% Senior Note \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					150,000
2.81% Senior Note \| Other Principal Trading Currencies [Member]
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					0
2.91% Senior Note
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage \| Rate	2.91%		2.91%
Debt Instrument, Maturity Date			Sep. 01, 2037
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					150,000
Debt Instrument, Term			15 years
2.91% Senior Note \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					150,000
5.45% Senior Note
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					150,000
5.45% Senior Note \| Us Dollar Amounts Member
Long-Term Debt, by Current and Noncurrent, and Short-Term Debt
Senior Notes					$ 150,000