Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue
Services	$ 1,039.3	$ 1,272.8	$ 1,250.8
Products	217.6	201.1	211.6
Total revenue	1,256.9	1,473.9	1,462.4
Costs and expenses
Cost of services, excluding items below	427.1	489.9	464.3
Cost of products sold, excluding items below	215.9	204.7	213.0
Selling, general and administrative	220.8	269.5	263.1
Depreciation and amortization	169.6	217.4	199.5
Restructuring charges	13.7	3.4	12.2
Transaction-related compensation	42.6	0	0
Curtailment (gain) loss	(0.6)	0	4.2
Loss (gain) on sale or disposal of assets, net	2.4	(1.6)	(8.4)
Impairment of goodwill	0	0	50.3
Impairment of assets, excluding goodwill	0	14.2	2.1
Transaction costs	1.6	6.3	2.6
Total operating costs and expenses	1,093.1	1,203.8	1,202.9
Operating income	163.8	270.1	259.5
Interest expense	182.0	218.9	215.0
Loss on extinguishment of debt	29.6	13.6	0
Loss from CyrusOne equity method investment	10.7	0	0
Other (income) expense, net	(1.3)	1.7	0.9
(Loss) income before income taxes	(57.2)	35.9	43.6
Income tax (benefit) expense	(2.5)	24.7	25.0
Net (loss) income	(54.7)	11.2	18.6
Preferred stock dividends	10.4	10.4	10.4
Net (loss) income applicable to common shareowners	$ (65.1)	$ 0.8	$ 8.2
Basic and diluted (loss) earnings per common share	$ (0.32)	$ 0.00	$ 0.04
Weighted-average common shares outstanding - basic	205.9	197.0	196.8
Weighted-average common shares outstanding - diluted	205.9	204.7	200.0