Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2024		18,292,490
Beginning balance at Dec. 31, 2024	$ 337.1	$ 18.3	$ 190.6	$ 265.2	$ (91.5)	$ (51.8)	$ 6.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	18.0			8.3		10.4	(0.7)
Stock-based compensation expense	1.5		1.5
Stock-based compensation activity (in shares)		(1,390)
Dividends	(1.8)			(1.8)
Ending balance (in shares) at Mar. 31, 2025		18,291,100
Ending balance at Mar. 31, 2025	354.8	$ 18.3	192.1	271.7	(91.5)	(41.4)	5.6
Beginning balance (in shares) at Dec. 31, 2024		18,292,490
Beginning balance at Dec. 31, 2024	337.1	$ 18.3	190.6	265.2	(91.5)	(51.8)	6.3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	$ 41.6
Dividends per common share (in dollars per share)	$ 0.250
Ending balance (in shares) at Jun. 30, 2025		18,322,686
Ending balance at Jun. 30, 2025	$ 376.3	$ 18.3	193.4	279.1	(93.1)	(26.6)	5.2
Beginning balance (in shares) at Mar. 31, 2025		18,291,100
Beginning balance at Mar. 31, 2025	354.8	$ 18.3	192.1	271.7	(91.5)	(41.4)	5.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	23.6			9.2		14.8	(0.4)
Stock-based compensation expense	1.3		1.3
Stock-based compensation activity (in shares)		31,586
Dividends	$ (1.8)			(1.8)
Dividends per common share (in dollars per share)	$ 0.125
Payments of withholding taxes on share awards	$ (1.6)				(1.6)
Ending balance (in shares) at Jun. 30, 2025		18,322,686
Ending balance at Jun. 30, 2025	376.3	$ 18.3	193.4	279.1	(93.1)	(26.6)	5.2
Beginning balance (in shares) at Dec. 31, 2025		18,559,230
Beginning balance at Dec. 31, 2025	382.8	$ 18.6	195.8	281.8	(93.3)	(22.0)	1.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	(1.4)			8.1		(9.2)	(0.3)
Stock-based compensation expense	1.4		1.4
Stock-based compensation activity (in shares)		870
Dividends	(1.8)			(1.8)
Ending balance (in shares) at Mar. 31, 2026		18,560,100
Ending balance at Mar. 31, 2026	381.0	$ 18.6	197.2	288.1	(93.3)	(31.2)	1.6
Beginning balance (in shares) at Dec. 31, 2025		18,559,230
Beginning balance at Dec. 31, 2025	382.8	$ 18.6	195.8	281.8	(93.3)	(22.0)	1.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	$ 12.5
Dividends per common share (in dollars per share)	$ 0.250
Ending balance (in shares) at Jun. 30, 2026		18,575,430
Ending balance at Jun. 30, 2026	$ 392.5	$ 18.6	198.6	298.4	(95.3)	(29.2)	1.4
Beginning balance (in shares) at Mar. 31, 2026		18,560,100
Beginning balance at Mar. 31, 2026	381.0	$ 18.6	197.2	288.1	(93.3)	(31.2)	1.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	13.9			12.1		2.0	(0.2)
Stock-based compensation expense	1.4		1.4
Stock-based compensation activity (in shares)		15,330
Dividends	$ (1.8)			(1.8)
Dividends per common share (in dollars per share)	$ 0.125
Payments of withholding taxes on share awards	$ (2.0)				(2.0)
Ending balance (in shares) at Jun. 30, 2026		18,575,430
Ending balance at Jun. 30, 2026	$ 392.5	$ 18.6	$ 198.6	$ 298.4	$ (95.3)	$ (29.2)	$ 1.4