CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Preferred stock	Common stock	Additional paid-in Capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock	Non-controlling interest
Balance at Dec. 31, 2018	$ 989.0	$ 667.3	$ 0.3	$ 3.3	$ 220.3	$ (206.2)	$ (49.6)	$ 353.6
Net income (loss)	46.6				25.3			21.3
Other comprehensive income (loss), net	10.4					7.7		2.7
Dividends paid to noncontrolling interest	(14.7)							(14.7)
Cash dividends	(13.6)			(0.3)	(13.3)
Equity transactions with noncontrolling interest, net and other	(0.7)			0.3	(2.1)			1.1
Balance at Jun. 30, 2019	1,017.0	667.3	0.3	3.3	230.2	(198.5)	(49.6)	364.0
Balance at Mar. 31, 2019	1,006.1	667.3	0.3	3.3	231.7	(204.9)	(49.6)	358.0
Net income (loss)	18.2				7.1			11.1
Other comprehensive income (loss), net	8.6					6.4		2.2
Dividends paid to noncontrolling interest	(8.3)							(8.3)
Cash dividends	(6.8)			(0.3)	(6.5)
Equity transactions with noncontrolling interest, net and other	(0.8)			0.3	(2.1)			1.0
Balance at Jun. 30, 2019	1,017.0	667.3	0.3	3.3	230.2	(198.5)	(49.6)	364.0
Balance at Dec. 31, 2019	980.1	667.3	0.3	3.3	239.4	(220.7)	(49.6)	340.1
Net income (loss)	33.7				15.3			18.4
Other comprehensive income (loss), net	(15.6)					(11.3)		(4.3)
Dividends paid to noncontrolling interest	(13.2)							(13.2)
Cash dividends	(9.0)			(2.2)	(6.8)
Equity transactions with noncontrolling interest, net and other	(0.5)			0.4	(0.8)			(0.1)
Balance at Jun. 30, 2020	975.5	667.3	0.3	1.5	247.1	(232.0)	(49.6)	340.9
Balance at Mar. 31, 2020	966.9	667.3	0.3	3.3	256.4	(246.2)	(49.6)	335.4
Net income (loss)	(4.2)				(9.1)			4.9
Other comprehensive income (loss), net	19.2					14.2		5.0
Dividends paid to noncontrolling interest	(4.6)							(4.6)
Cash dividends	(2.2)			(2.2)
Equity transactions with noncontrolling interest, net and other	0.4			0.4	(0.2)			0.2
Balance at Jun. 30, 2020	$ 975.5	$ 667.3	$ 0.3	$ 1.5	$ 247.1	$ (232.0)	$ (49.6)	$ 340.9