Indebtedness (Components of Indebtedness) (Details) € in Millions, $ in Millions	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Dec. 31, 2022 USD ($)	Oct. 06, 2021	Jan. 25, 2019 EUR (€)
Debt Instrument [Line Items]
Other long-term debt	$ 3.9		$ 5.1
Debt issuance costs	(3.1)		(3.6)
Total long-term debt	1,999.6		1,451.9
Current portion of long-term debt	(79.9)		(187.1)
Total long-term indebtedness, less current portion	1,919.7		1,264.8
Credit facility, expires 2027
Debt Instrument [Line Items]
Credit facility	866.6		200.0
1.002% Senior term loan due 2025
Debt Instrument [Line Items]
Debt instrument, interest rate, percent					1.002%
Senior notes	264.5		267.3		€ 250.0
Senior term loans due between 2023 and 2028
Debt Instrument [Line Items]
Senior notes	232.8		341.6
0.800% Senior Notes Due 2028
Debt Instrument [Line Items]
Debt instrument, interest rate, percent				0.80%
Senior notes	634.9	€ 600.0	641.5
Senior term loans due 2023
Debt Instrument [Line Items]
Current portion of long-term debt	(77.7)		(184.9)
Other long term debt
Debt Instrument [Line Items]
Current portion of long-term debt	$ (2.2)		$ (2.2)