CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Common Stock in Treasury at Cost
Balance at Dec. 31, 2022	$ 3,185.7	$ 0.7	$ 806.0	$ 3,315.0	$ (92.3)	$ (843.7)
Net income	88.5	0.0	0.0	88.5	0.0	0.0
Employee pension and postretirement benefits, net of tax of $0.1	(0.4)	0.0	0.0	0.0	(0.4)	0.0
Currency translation adjustments	11.4	0.0	0.0	0.0	11.4	0.0
Derivative instruments, net of tax	(2.0)	0.0	0.0	0.0	(2.0)	0.0
Cash dividends ($0.46 per share in 2024 and $0.41 per share in 2023)	(26.8)	0.0	0.0	(26.8)	0.0	0.0
Repurchases of Common Stock	(15.2)	0.0	0.0	0.0	0.0	(15.2)
Exercise of stock options	2.5	0.0	0.5	0.0	0.0	2.0
Stock-based compensation expense	6.8	0.0	6.8	0.0	0.0	0.0
Payment of stock-based restricted and performance shares	0.0	0.0	(4.7)	0.0	0.0	4.7
Shares tendered for taxes on stock-based compensation	(3.4)	0.0	0.0	0.0	0.0	(3.4)
Other	0.1	0.0	(0.6)	0.0	0.0	0.7
Balance at Mar. 31, 2023	3,247.2	0.7	808.0	3,376.7	(83.3)	(854.9)
Balance at Dec. 31, 2023	3,705.3	0.7	823.0	3,805.8	(72.0)	(852.2)
Net income	179.4	0.0	0.0	179.4	0.0	0.0
Employee pension and postretirement benefits, net of tax of $0.1	(0.4)	0.0	0.0	0.0	(0.4)	0.0
Currency translation adjustments	(17.5)	0.0	0.0	0.0	(17.5)	0.0
Derivative instruments, net of tax	0.3	0.0	0.0	0.0	0.3	0.0
Cash dividends ($0.46 per share in 2024 and $0.41 per share in 2023)	(30.1)	0.0	0.0	(30.1)	0.0	0.0
Repurchases of Common Stock	(15.1)	0.0	0.0	0.0	0.0	(15.1)
Exercise of stock options	3.5	0.0	0.7	0.0	0.0	2.8
Stock-based compensation expense	8.7	0.0	8.7	0.0	0.0	0.0
Payment of stock-based restricted and performance shares	0.0	0.0	(10.4)	0.0	0.0	10.4
Shares tendered for taxes on stock-based compensation	(8.2)	0.0	0.0	0.0	0.0	(8.2)
Other	0.1	0.0	(0.3)	0.0	0.0	0.4
Balance at Mar. 31, 2024	$ 3,826.0	$ 0.7	$ 821.7	$ 3,955.1	$ (89.6)	$ (861.9)