Restructuring and Business Optimization Expenses (Restructuring Expense Activity) (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring Reserve [Roll Forward]
Restructuring reserve, end of period	$ 29.9				$ 29.9
Restructuring and business optimization expenses	10.5			$ 0.8	41.7	$ 8.3
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning of period	32.6	$ 5.3	$ 7.8		7.8
Quarterly cash activity	(8.9)	(2.1)	(3.4)
Reclassified to held for sale	0.4	(0.4)
Foreign currency translation	0.6	(0.3)	(0.2)
Restructuring reserve, end of period		32.6	5.3
Restructuring and business optimization expenses	5.2	$ 30.1	$ 1.1
Business Optimization
Restructuring Reserve [Roll Forward]
Restructuring and business optimization expenses	$ 5.3				$ 5.3