CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Preferred stock	Common stock	Retained earnings (deficit)	Accumulated other comprehensive loss	Treasury stock	Non-controlling interest
Balance at Dec. 31, 2017	$ 766.7	$ 667.3	$ 3.6	$ (17.9)	$ (179.0)	$ (49.6)	$ 342.3
Change in accounting principle – ASU 2014-09 at Dec. 31, 2017	5.0			2.7			2.3
Balance at January 1, 2018, as adjusted at Dec. 31, 2017	771.7	667.3	3.6	(15.2)	(179.0)	(49.6)	344.6
Net income	107.8			89.3			18.5
Other comprehensive income, net	12.0				8.8		3.2
Dividends paid to noncontrolling interest	(3.9)						(3.9)
Cash dividends	(6.8)			(6.8)
Balance at Mar. 31, 2018	880.8	667.3	3.6	67.3	(170.2)	(49.6)	362.4
Balance at Dec. 31, 2018	989.0	667.3	3.6	220.3	(206.2)	(49.6)	353.6
Net income	28.4			18.2			10.2
Other comprehensive income, net	1.8				1.3		0.5
Dividends paid to noncontrolling interest	(6.3)						(6.3)
Cash dividends	(6.8)			(6.8)
Balance at Mar. 31, 2019	$ 1,006.1	$ 667.3	$ 3.6	$ 231.7	$ (204.9)	$ (49.6)	$ 358.0