Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock	Common Stock Held in Treasury	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	25.6				25.6
Common stock cash dividends, $0.10 per share	(3.2)				(3.2)
Foreign currency translation adjustments, net of income taxes of $0.4	0.1					0.1
Derivatives designated as hedges, net of income taxes of $0.8	7.3					7.3
Pension and other postretirement liability adjustments, net of income taxes of $(0.3)	1.6					1.6
Stock-based compensation expense	1.7			1.7
Ending balance at Mar. 31, 2022	783.6	0.3	0.0	215.9	755.8	(188.4)
Stockholders' Equity Attributable to Parent, Beginning Balance at Dec. 31, 2021	750.5	0.3	0.0	214.2	733.4	(197.4)
Ending 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	25.6				25.6
Issuance of treasury stock	0.0		1.6	(1.6)
Common stock cash dividends, $0.10 per share	(3.2)				(3.2)
Foreign currency translation adjustments, net of income taxes of $0.4	5.7					5.7
Derivatives designated as hedges, net of income taxes of $0.8	(2.2)					(2.2)
Pension and other postretirement liability adjustments, net of income taxes of $(0.3)	0.9					0.9
Stock-based compensation expense	2.6			2.6
Taxes withheld on issuance of stock-based awards	(1.1)			(1.1)
Ending balance at Mar. 31, 2023	$ 891.0	$ 0.3	$ (3.7)	$ 220.6	$ 873.7	$ (199.9)