Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue
Services	$ 1,272.8	$ 1,250.8	$ 1,199.3
Products	201.1	211.6	177.7
Total revenue	1,473.9	1,462.4	1,377.0
Costs and expenses
Cost of services, excluding items below	489.9	464.3	413.9
Cost of products sold, excluding items below	204.7	213.0	190.6
Selling, general and administrative	269.5	263.1	270.9
Depreciation and amortization	217.4	199.5	179.5
Restructuring charges	3.4	12.2	13.7
Curtailment loss	0	4.2	0
Gain on sale or disposal of assets	(1.6)	(8.4)	0
Impairment of goodwill	0	50.3	0
Impairment of assets, excluding goodwill	14.2	2.1	0
Transaction costs	6.3	2.6	9.1
Total operating costs and expenses	1,203.8	1,202.9	1,077.7
Operating income	270.1	259.5	299.3
Interest expense	218.9	215.0	185.2
Loss on extinguishment of debt	13.6	0	46.5
Other expense, net	1.7	0.9	0.4
Income before income taxes	35.9	43.6	67.2
Income tax expense	24.7	25.0	38.9
Net income	11.2	18.6	28.3
Preferred stock dividends	10.4	10.4	10.4
Net income applicable to common shareowners	$ 0.8	$ 8.2	$ 17.9
Basic earnings per common share	$ 0.00	$ 0.04	$ 0.09
Diluted earnings per common share	$ 0.00	$ 0.04	$ 0.09
Weighted average common shares outstanding - basic	197.0	196.8	201.0
Weighted average common shares outstanding - diluted	204.7	200.0	204.0