CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS 'EQUITY - USD ($) $ in Millions	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock	Non-controlling interest	Total
Balance at Dec. 31, 2021	$ 0.3	$ 669.0	$ 401.1	$ (191.3)	$ (49.6)	$ 328.9	$ 1,158.4
Net income (loss)			73.4			32.4	105.8
Cash dividends			(4.5)				(4.5)
Dividends paid to noncontrolling interest						(16.7)	(16.7)
Other comprehensive income (loss), net				(16.5)		(5.9)	(22.4)
Equity transactions with noncontrolling interest, net and other		0.8				(3.5)	(2.7)
Balance at Jun. 30, 2022	0.3	669.8	470.0	(207.8)	(49.6)	335.2	1,217.9
Balance at Mar. 31, 2022	0.3	670.4	444.3	(185.4)	(49.6)	341.0	1,221.0
Net income (loss)			28.0			14.4	42.4
Cash dividends			(2.3)				(2.3)
Dividends paid to noncontrolling interest						(11.5)	(11.5)
Other comprehensive income (loss), net				(22.4)		(8.0)	(30.4)
Equity transactions with noncontrolling interest, net and other		(0.6)				(0.7)	(1.3)
Balance at Jun. 30, 2022	0.3	669.8	470.0	(207.8)	(49.6)	335.2	1,217.9
Balance at Dec. 31, 2022	0.3	669.5	482.3	(143.9)	(49.6)	348.2	1,306.8
Net income (loss)			(10.0)			4.1	(5.9)
Cash dividends			(4.5)				(4.5)
Dividends paid to noncontrolling interest						(12.7)	(12.7)
Other comprehensive income (loss), net				(3.3)		(1.8)	(5.1)
Equity transactions with noncontrolling interest, net and other						(2.2)	(2.2)
Balance at Jun. 30, 2023	0.3	669.5	467.8	(147.2)	(49.6)	335.6	1,276.4
Balance at Mar. 31, 2023	0.3	668.6	475.1	(148.0)	(49.6)	342.4	1,288.8
Net income (loss)			(5.1)			2.9	(2.2)
Cash dividends			(2.2)				(2.2)
Dividends paid to noncontrolling interest						(7.5)	(7.5)
Other comprehensive income (loss), net				0.8		(0.3)	0.5
Equity transactions with noncontrolling interest, net and other		0.9				(1.9)	(1.0)
Balance at Jun. 30, 2023	$ 0.3	$ 669.5	$ 467.8	$ (147.2)	$ (49.6)	$ 335.6	$ 1,276.4