Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue
Services	$ 255.4	$ 319.5	$ 782.3	$ 956.4
Products	55.4	48.7	166.2	142.8
Total revenue	310.8	368.2	948.5	1,099.2
Costs and expenses
Cost of services, excluding items below	106.9	123.4	318.4	365.4
Cost of products sold, excluding items below	52.5	48.9	160.4	144.4
Selling, general and administrative, excluding items below	53.6	72.2	161.4	199.6
Depreciation and amortization	39.8	55.4	127.6	160.2
Transaction-related compensation	0	0	42.6	0
Restructuring charges	0	0.9	10.8	3.0
Curtailment gain	0	0	(0.6)	0
(Gain) loss on sale or disposal of assets, net	(0.2)	(0.6)	2.6	(0.6)
Transaction costs	0.5	1.7	1.6	1.7
Asset impairments	0	0.3	0	13.3
Total operating costs and expenses	253.1	302.2	824.8	887.0
Operating income	57.7	66.0	123.7	212.2
Interest expense	46.7	55.2	140.0	163.3
Loss from CyrusOne equity method investment	1.5	0	8.1	0
Other (income) expense, net	(1.2)	0.1	(1.4)	1.6
Income (loss) before income taxes	10.7	10.7	(23.0)	47.3
Income tax expense	1.4	6.8	3.6	26.3
Net income (loss)	9.3	3.9	(26.6)	21.0
Preferred stock dividends	2.6	2.6	7.8	7.8
Net income (loss) applicable to common shareowners	$ 6.7	$ 1.3	$ (34.4)	$ 13.2
Basic and diluted earnings (loss) per common share	$ 0.03	$ 0.01	$ (0.17)	$ 0.07