Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenue
Services	$ 318.0	$ 311.4
Products	44.8	49.4
Total revenue	362.8	360.8
Costs and expenses
Cost of services, excluding items below	120.4	110.7
Cost of products sold, excluding items below	45.4	48.5
Selling, general and administrative	64.0	64.6
Depreciation and amortization	51.1	48.4
Restructuring charges	0.9	0
Acquisition costs	0	1.1
Asset impairment	0	1.1
Total operating costs and expenses	281.8	274.4
Operating income	81.0	86.4
Interest expense	54.4	54.5
Other expense, net	1.5	0
Income before income taxes	25.1	31.9
Income tax expense	12.5	14.0
Net income	12.6	17.9
Preferred stock dividends	2.6	2.6
Net income applicable to common shareowners	$ 10.0	$ 15.3
Basic earnings per common share	$ 0.05	$ 0.08
Diluted earnings per common share	$ 0.05	$ 0.08