Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Treasury Stock, Common	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Stockholders' Equity Attributable to Parent, Beginning Balance at Dec. 31, 2021	$ 750.5	$ 0.3	$ 0.0	$ 214.2	$ 733.4	$ (197.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	93.2				93.2
Issuance of treasury stock			2.4	(2.4)
Common stock cash dividends, $0.10 per share	(9.6)				(9.6)
Foreign currency translation adjustments, net of income taxes of $0.5	(49.2)					(49.2)
Derivatives designated as hedges, net of income taxes of $0.4	13.5					13.5
Pension and other postretirement liability adjustments, net of income taxes of $(0.4)	4.5					4.5
Stock-based compensation expense	7.3			7.3
Taxes withheld on issuance of stock-based awards	(1.2)			(1.2)
Ending balance at Sep. 30, 2022	$ 806.2	0.3	(0.4)	217.9	817.0	(228.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock cash dividends (in usd per share)	$ 0.30
Foreign currency, translation adjustments, tax	$ (3.4)
Derivatives designated as hedges, tax	(4.8)
Pension and other postretirement liability adjustments, tax	(1.5)
Stockholders' Equity Attributable to Parent, Beginning Balance at Jun. 30, 2022	789.8	0.3	0.0	215.4	786.0	(211.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	34.2				34.2
Issuance of treasury stock			0.1	(0.1)
Common stock cash dividends, $0.10 per share	(3.2)				(3.2)
Foreign currency translation adjustments, net of income taxes of $0.5	(22.6)					(22.6)
Derivatives designated as hedges, net of income taxes of $0.4	4.4					4.4
Pension and other postretirement liability adjustments, net of income taxes of $(0.4)	1.5					1.5
Stock-based compensation expense	2.6			2.6
Ending balance at Sep. 30, 2022	$ 806.2	0.3	(0.4)	217.9	817.0	(228.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock cash dividends (in usd per share)	$ 0.10
Foreign currency, translation adjustments, tax	$ (1.7)
Derivatives designated as hedges, tax	(1.6)
Pension and other postretirement liability adjustments, tax	(0.5)
Stockholders' Equity Attributable to Parent, Beginning Balance at Dec. 31, 2022	862.7	0.3	(5.3)	220.7	851.3	(204.3)
Ending balance at Jun. 30, 2023	921.2	0.3	(2.2)	221.3	901.5	(199.7)
Stockholders' Equity Attributable to Parent, Beginning Balance at Dec. 31, 2022	862.7	0.3	(5.3)	220.7	851.3	(204.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	524.2				524.2
Issuance of treasury stock	0.0		3.2	(3.2)
Stock Repurchased During Period, Value			2.8
Common stock cash dividends, $0.10 per share	(9.9)				(9.9)
Foreign currency translation adjustments, net of income taxes of $0.5	(10.7)					(10.7)
Derivatives designated as hedges, net of income taxes of $0.4	(2.4)					(2.4)
Pension and other postretirement liability adjustments, net of income taxes of $(0.4)	2.8					2.8
Stock-based compensation expense	8.1			8.1
Taxes withheld on issuance of stock-based awards	(1.7)			(1.7)
Ending balance at Sep. 30, 2023	$ 1,373.1	0.3	(2.1)	223.9	1,365.6	(214.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock cash dividends (in usd per share)	$ 0.30
Foreign currency, translation adjustments, tax	$ 1.1
Derivatives designated as hedges, tax	0.8
Pension and other postretirement liability adjustments, tax	(1.0)
Stockholders' Equity Attributable to Parent, Beginning Balance at Jun. 30, 2023	921.2	0.3	(2.2)	221.3	901.5	(199.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	467.6				467.6
Issuance of treasury stock	0.0		0.1	(0.1)
Stock Repurchased During Period, Value			0.5
Common stock cash dividends, $0.10 per share	(3.5)				(3.5)
Foreign currency translation adjustments, net of income taxes of $0.5	(14.7)					(14.7)
Derivatives designated as hedges, net of income taxes of $0.4	(1.1)					(1.1)
Pension and other postretirement liability adjustments, net of income taxes of $(0.4)	0.9					0.9
Stock-based compensation expense	2.8			2.8
Taxes withheld on issuance of stock-based awards	(0.1)			(0.1)
Ending balance at Sep. 30, 2023	$ 1,373.1	$ 0.3	$ (2.1)	$ 223.9	$ 1,365.6	$ (214.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock cash dividends (in usd per share)	$ 0.10
Foreign currency, translation adjustments, tax	$ 0.5
Derivatives designated as hedges, tax	0.4
Pension and other postretirement liability adjustments, tax	$ (0.4)