Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 2,352.9	$ 2,377.7
Net Income	125.7	121.9
Foreign currency translation adjustments	27.7	(22.6)
Pension and other postretirement liability adjustments (net of income tax benefits)	(1.5)	(1.5)
Change in fair value of derivative financial instruments, net of reclassifications	(0.8)	2.0
Dividends	(23.6)	(23.5)
Stock-based compensation expense	11.0	7.1
Stock purchased at fair market value	(54.0)	(100.0)
Stock option exercise activity	12.7	1.4
Payments related to tax withholding for stock-based compensation	(13.8)	(7.5)
Ending balance	2,436.3	2,355.0
Pension and other postretirement liability adjustment, tax benefit	$ 0.5	$ 0.5
Dividends (in dollars per shares)	$ 0.31	$ 0.30
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	829.6	786.9
Stock-based compensation expense	11.0	7.1
Stock option exercise activity	12.7	1.4
Ending balance	853.3	795.4
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,932.1	1,616.4
Net Income	122.3	118.2
Dividends	(23.6)	(23.5)
Ending balance	2,030.8	1,711.1
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(181.9)	(23.0)
Foreign currency translation adjustments	27.4	(20.0)
Pension and other postretirement liability adjustments (net of income tax benefits)	(1.5)	(1.5)
Change in fair value of derivative financial instruments, net of reclassifications	(0.8)	2.0
Ending balance	(156.8)	(42.5)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(352.2)	(126.1)
Stock purchased at fair market value	(54.0)	(100.0)
Payments related to tax withholding for stock-based compensation	(13.8)	(7.5)
Ending balance	(420.0)	(233.6)
Non controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	84.6	82.8
Net Income	3.4	3.7
Foreign currency translation adjustments	0.3	(2.6)
Ending balance	$ 88.3	$ 83.9