Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue
Services	$ 229.8	$ 220.8
Products	63.1	61.4
Total revenue	292.9	282.2
Costs and expenses
Cost of services, excluding items below	113.6	97.2
Cost of products sold, excluding items below	52.6	53.5
Selling, general and administrative, excluding items below	52.2	49.3
Depreciation and amortization	32.6	31.1
Restructuring charges	3.4	0
(Gain) loss on sale or disposal of assets, net	1.4	0
Amortization of deferred gain	(6.5)	(3.6)
Transaction costs	0	0.7
Total operating costs and expenses	255.8	231.8
Operating income (loss)	37.1	50.4
Interest expense (income)	32.7	38.8
Loss (income) from CyrusOne equity method investment	3.1	(0.5)
Other expense (income), net	0.4	(0.3)
Income (loss) before income taxes	0.9	12.4
Income tax expense (benefit)	0.6	6.5
Income (Loss) from Continuing Operations Attributable to Parent	0.3	5.9
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	48.9	1.1
Net income (loss)	49.2	7.0
Preferred stock dividends	2.6	2.6
Net income (loss) applicable to common shareowners	46.6	4.4
Basic and diluted earnings (loss) per common share	$ 0.22	$ 0.02
Continuing Operations [Member]
Costs and expenses
Income (Loss) from Continuing Operations Attributable to Parent	0.3
Net income (loss)		5.9
Preferred stock dividends		2.6
Income (Loss) from Continuing Operations, Per Basic and Diluted Share	$ (0.01)	$ 0.02
Discontinued Operations [Member]
Revenue
Total revenue	4.4	44.7
Costs and expenses
Selling, general and administrative, excluding items below	1.3	6.2
Restructuring charges	6.4	0
Amortization of deferred gain	6.5	3.6
Total operating costs and expenses	41.8	38.2
Operating income (loss)	(37.4)	6.5
Other expense (income), net	0	(0.9)
Income tax expense (benefit)	27.1	3.0
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	48.9
Net income (loss)	48.9	1.1
Preferred stock dividends	$ 0	$ 0
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic and Diluted Share	$ 0.23	$ 0.00