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Debt, Euro Senior Notes (Details) € in Millions, $ in Millions				6 Months Ended
	Apr. 30, 2026 EUR (€)	Mar. 30, 2026 USD ($)	Jun. 16, 2025 USD ($)	Jun. 30, 2026 EUR (€)	May 12, 2026 USD ($)	May 12, 2026 EUR (€)	Mar. 30, 2026 EUR (€)	Dec. 31, 2025	Jun. 16, 2025 EUR (€)
Euro Notes
Debt
Redemption price as a percentage of principal amount				100.00%
0.750% Euro Senior Notes Due May 2026
Debt
Debt instrument, principal amount				€ 500.0
Stated interest rate (as a percent)	0.75%
Repayments of Senior Notes	€ 500.0
2.000% Euro Senior Notes due October 2028
Debt
Debt instrument, principal amount				€ 500.0
Stated interest rate (as a percent)				2.00%
Debt maturity date				Oct. 08, 2028
3.375% Euro Senior Notes due May 2029
Debt
Debt instrument, principal amount					$ 702.0	€ 600.0
Stated interest rate (as a percent)				3.375%	3.375%	3.375%
3.625% Euro Senior Notes due March 2031
Debt
Debt instrument, principal amount		$ 586.7					€ 500.0
Stated interest rate (as a percent)		3.625%		3.625%			3.625%
Debt maturity date		Mar. 30, 2031
3.125% Euro Senior Notes due June 2032
Debt
Debt instrument, principal amount			$ 685.9						€ 600.0
Stated interest rate (as a percent)			3.125%	3.125%				3.125%	3.125%
Debt maturity date			Jun. 16, 2032
3.875% Euro Senior Notes due May 2034
Debt
Debt instrument, principal amount					$ 585.0	€ 500.0
Stated interest rate (as a percent)				3.875%	3.875%	3.875%