Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues	$ 386.7	$ 255.5	$ 979.2	$ 764.5
Costs and expenses
Cost of services and products, excluding items below	197.7	127.0	499.4	380.0
Selling, general and administrative, excluding items below	85.7	53.2	220.2	162.3
Depreciation and amortization	75.5	47.3	177.6	140.1
Restructuring and severance related charges	0.0	0.0	4.9	29.2
Transaction and integration cost	13.3	12.1	18.2	14.4
Total operating costs and expenses	372.2	239.6	920.3	726.0
Operating income (loss)	14.5	15.9	58.9	38.5
Interest expense	33.7	18.8	96.3	54.9
Loss on extinguishment of debt	0.0	0.0	1.3	0.0
Other components of pension and postretirement benefit plans expense	3.0	3.0	9.5	9.4
Gain on sale of Investment in CyrusOne	0.0	0.0	0.0	(117.7)
Other (income) expense, net	(1.2)	4.5	(2.4)	3.5
(Loss) income before income taxes	(21.0)	(10.4)	(45.8)	88.4
Income tax (benefit) expense	(3.3)	0.6	(6.0)	36.5
Net (loss) income	(17.7)	(11.0)	(39.8)	51.9
Preferred stock dividends	2.6	2.6	7.8	7.8
Net (loss) income applicable to common shareowners	$ (20.3)	$ (13.6)	$ (47.6)	$ 44.1
Basic net (loss) earnings per common share	$ (0.41)	$ (0.32)	$ (1.06)	$ 1.05
Diluted net (loss) earnings per common share	$ (0.41)	$ (0.32)	$ (1.06)	$ 1.04