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, 2020	$ 0.3	$ 668.3	$ 282.9	$ (219.4)	$ (49.6)	$ 324.4	$ 1,006.9
Net income			14.8			9.7	24.5
Other comprehensive income, net				3.6		1.3	4.9
Dividends paid to noncontrolling interest						(4.8)	(4.8)
Cash dividends			(2.2)				(2.2)
Equity transaction with noncontrolling interest, net and other		0.9				(1.6)	(0.7)
Balance at Mar. 31, 2021	0.3	669.2	295.5	(215.8)	(49.6)	329.0	1,028.6
Balance at Dec. 31, 2021	0.3	669.0	401.1	(191.3)	(49.6)	328.9	1,158.4
Net income			45.4			18.0	63.4
Other comprehensive income, net				5.9		2.1	8.0
Dividends paid to noncontrolling interest						(5.2)	(5.2)
Cash dividends			(2.2)				(2.2)
Equity transaction with noncontrolling interest, net and other		1.4				(2.8)	(1.4)
Balance at Mar. 31, 2022	$ 0.3	$ 670.4	$ 444.3	$ (185.4)	$ (49.6)	$ 341.0	$ 1,221.0