CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Preferred stock [Member]	Common stock [Member]	Additional paid-in capital [Member]	Treasury stock, at cost [Member]	Accumulated other comprehensive loss [Member]	Accumulated deficit [Member]
Balance, start at Dec. 31, 2017	$ 829.6	$ 0.0	$ 0.9	$ 2,517.4	$ (86.3)	$ (91.7)	$ (1,510.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1.2)
Other comprehensive income (loss)	3.1					3.1
Share-based compensation	2.1		0.0	2.1
Conversion of preferred stock to common stock	(0.0)	(0.0)	(0.0)	(0.0)
Balance, end at Sep. 30, 2018	833.5	0.0	0.9	2,519.5	(86.3)	(88.7)	(1,511.9)
Balance, start at Jun. 30, 2018	853.1	0.0	0.9	2,518.8	(86.3)	(88.7)	(1,491.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(20.3)						(20.3)
Other comprehensive income (loss)	0.1					0.1
Share-based compensation	0.7		0.0	0.7
Conversion of preferred stock to common stock	0.0		(0.0)	(0.0)
Balance, end at Sep. 30, 2018	833.5	0.0	0.9	2,519.5	(86.3)	(88.7)	(1,511.9)
Balance, start at Dec. 31, 2018	762.2	0.0	1.0	2,523.0	(86.3)	(98.7)	(1,576.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(76.0)						(76.0)
Other comprehensive income (loss)	2.0					2.0
Share-based compensation	1.8		0.0	1.8
Conversion of preferred stock to common stock	(0.0)	(0.0)	(0.0)	(0.0)
Balance, end at Sep. 30, 2019	689.9	0.0	1.0	2,524.8	(86.3)	(98.0)	(1,651.6)
Balance, start at Jun. 30, 2019	709.4	0.0	1.0	2,524.3	(86.3)	(98.7)	(1,630.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(20.7)						(20.7)
Other comprehensive income (loss)	0.7					0.7
Share-based compensation	0.5			0.5
Conversion of preferred stock to common stock				0.0	0.0
Balance, end at Sep. 30, 2019	$ 689.9	$ 0.0	$ 1.0	$ 2,524.8	$ (86.3)	$ (98.0)	$ (1,651.6)

Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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