Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 3,345.7	$ 2,984.1
Net income	105.9	91.4
Foreign currency translation adjustments	(30.5)	67.1
Pension and other postretirement liability adjustments (net of income tax benefit)	(1.5)	(1.6)
Change in fair value of derivative financial instruments, net of reclassifications	0.3	(2.1)
Dividends	(25.3)	(25.1)
Stock-based compensation expense	7.6	7.5
Stock purchased at fair market value	(28.0)	(23.1)
Stock option exercise activity	2.9	0.3
Payments related to tax withholding for stock-based compensation	(9.2)	(9.5)
Ending balance	3,367.9	3,089.0
Pension and other postretirement liability adjustment, tax benefit	$ 0.5	$ 0.5
Dividends (in dollars per share)	$ 0.35	$ 0.34
Stated Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 40.7	$ 40.7
Ending balance	40.7	40.7
Other Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,299.5	1,269.3
Stock-based compensation expense	7.6	7.5
Stock option exercise activity	2.9	0.3
Ending balance	1,310.0	1,277.1
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	2,678.9	2,488.8
Net income	98.2	78.3
Dividends	(25.3)	(25.1)
Ending balance	2,751.8	2,542.0
Accumulated Other Comprehensive (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(96.5)	(301.7)
Foreign currency translation adjustments	(21.9)	66.5
Pension and other postretirement liability adjustments (net of income tax benefit)	(1.5)	(1.6)
Change in fair value of derivative financial instruments, net of reclassifications	0.3	(2.1)
Ending balance	(119.6)	(238.9)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(738.0)	(670.6)
Stock purchased at fair market value	(28.0)	(23.1)
Payments related to tax withholding for stock-based compensation	(9.2)	(9.5)
Ending balance	(775.2)	(703.2)
Non controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	161.1	157.6
Net income	7.7	13.1
Foreign currency translation adjustments	(8.6)	0.6
Ending balance	$ 160.2	$ 171.3