Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue
Services	$ 244.9	$ 229.4	$ 486.4	$ 459.2
Products	54.3	56.4	101.7	119.5
Total revenue	299.2	285.8	588.1	578.7
Costs and expenses
Cost of services, excluding items below	124.8	114.4	248.0	228.0
Cost of products sold, excluding items below	46.0	47.8	85.5	100.4
Selling, general and administrative, excluding items below	56.2	57.0	109.4	109.2
Depreciation and amortization	44.8	34.0	88.2	66.6
Other	0.0	2.9	0.0	7.7
Total operating costs and expenses	271.8	256.1	531.1	511.9
Operating income	27.4	29.7	57.0	66.8
Interest expense	19.9	28.0	40.2	60.7
Loss on extinguishment of debt, net	5.2	13.5	2.8	13.5
Gain on sale of CyrusOne investment	(118.6)	(295.2)	(118.6)	(295.2)
Other (income) expense, net	(1.1)	1.3	(1.1)	4.8
Income from continuing operations before income taxes	122.0	282.1	133.7	283.0
Income tax expense	44.4	101.4	49.1	102.0
Income from continuing operations	77.6	180.7	84.6	181.0
Income from discontinued operations, net of tax	0.0	10.9	0.0	59.8
Net income	77.6	191.6	84.6	240.8
Preferred stock dividends	2.6	2.6	5.2	5.2
Net income applicable to common shareowners	$ 75.0	$ 189.0	$ 79.4	$ 235.6
Basic net earnings per common share
Basic earnings per common share from continuing operations	$ 0.36	$ 0.85	$ 0.38	$ 0.84
Basic earnings per common share from discontinued operations	0.00	0.05	0.00	0.29
Basic net earnings per common share	0.36	0.90	0.38	1.13
Diluted net earnings per common share
Diluted earnings per common share from continuing operations	0.36	0.84	0.38	0.84
Diluted earnings per common share from discontinued operations	0.00	0.05	0.00	0.28
Diluted net earnings per common share	$ 0.36	$ 0.89	$ 0.38	$ 1.12
Continuing Operations [Member]
Costs and expenses
Net income	$ 77.6	$ 180.7	$ 84.6	$ 181.0
Preferred stock dividends	2.6	2.6	5.2	5.2
Discontinued Operations [Member]
Costs and expenses
Selling, general and administrative, excluding items below		0.9		2.2
Depreciation and amortization		0.0	0.0	28.6
Operating income		(0.9)		(38.3)
Other (income) expense, net		(0.1)		(0.1)
Income tax expense		5.1		32.2
Net income	0.0	10.9	0.0	59.8
Preferred stock dividends	$ 0.0	$ 0.0	$ 0.0	$ 0.0