Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue
Services	$ 248.6	$ 244.9	$ 490.5	$ 486.4
Products	45.4	54.3	81.7	101.7
Total revenue	294.0	299.2	572.2	588.1
Costs and expenses
Cost of services, excluding items below	126.7	124.8	252.2	248.0
Cost of products sold, excluding items below	38.7	46.0	68.0	85.5
Selling, general and administrative, excluding items below	55.4	56.2	112.1	109.4
Depreciation and amortization	47.0	44.8	92.8	88.2
Restructuring and severance related charges	3.6	0.0	29.2	0.0
Other	1.7	0.0	2.3	0.0
Total operating costs and expenses	273.1	271.8	556.6	531.1
Operating income	20.9	27.4	15.6	57.0
Interest expense	18.1	19.9	36.1	40.2
Loss on extinguishment of debt, net	0.0	5.2	0.0	2.8
Gain on sale of Investment in CyrusOne	0.0	(118.6)	(117.7)	(118.6)
Other income, net	(0.6)	(1.1)	(1.0)	(1.1)
Income before income taxes	3.4	122.0	98.2	133.7
Income tax expense	1.3	44.4	35.7	49.1
Net income	2.1	77.6	62.5	84.6
Preferred stock dividends	2.6	2.6	5.2	5.2
Net (loss) income applicable to common shareowners	$ (0.5)	$ 75.0	$ 57.3	$ 79.4
Basic net (loss) earnings per common shares	$ (0.01)	$ 1.79	$ 1.36	$ 1.89
Diluted net (loss) earnings per common share	$ (0.01)	$ 1.78	$ 1.35	$ 1.89