Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue
Services	$ 256.0	$ 256.4	$ 514.2	$ 526.9
Products	63.9	55.6	128.2	110.8
Total revenue	319.9	312.0	642.4	637.7
Costs and expenses
Cost of services, excluding items below	109.2	103.5	215.5	212.7
Cost of products sold, excluding items below	60.5	54.7	120.4	107.9
Selling, general and administrative, excluding items below	54.5	54.7	109.9	107.8
Depreciation and amortization	60.3	37.2	107.2	87.8
Transaction-related compensation	0	7.1	0	42.6
Restructuring charges	6.4	8.2	6.4	10.8
Curtailment gain	0	(0.6)	0	(0.6)
(Gain) loss on sale or disposal of assets, net	(0.1)	0.3	(0.1)	2.8
Amortization of deferred gain	(6.5)	(0.6)	(10.1)	(1.2)
Transaction costs	0	0.7	0.7	1.1
Total operating costs and expenses	284.3	265.2	549.9	571.7
Operating income	35.6	46.8	92.5	66.0
Interest expense	40.7	45.4	81.0	93.3
Loss from CyrusOne equity method investment	2.4	4.7	1.9	6.6
Gain on sale of CyrusOne equity method investment	(192.8)	0	(192.8)	0
Other expense (income), net	0.1	0.1	0.7	(0.2)
Income (loss) before income taxes	185.2	(3.4)	201.7	(33.7)
Income tax expense (benefit)	71.0	(4.2)	80.5	2.2
Net income (loss)	114.2	0.8	121.2	(35.9)
Preferred stock dividends	2.6	2.6	5.2	5.2
Net income (loss) applicable to common shareowners	$ 111.6	$ (1.8)	$ 116.0	$ (41.1)
Basic earnings (loss) per common share	$ 0.54	$ (0.01)	$ 0.56	$ (0.20)
Diluted earnings (loss) per common share	$ 0.53	$ (0.01)	$ 0.55	$ (0.20)