Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue
Services	$ 318.9	$ 314.8	$ 636.9	$ 626.2
Products	49.3	52.7	94.1	102.1
Total revenue	368.2	367.5	731.0	728.3
Costs and expenses
Cost of services, excluding items below	121.6	114.8	242.0	225.5
Cost of products sold, excluding items below	50.1	54.2	95.5	102.7
Selling, general and administrative	63.4	66.6	127.4	131.2
Depreciation and amortization	53.7	48.8	104.8	97.2
Restructuring charges	1.2	0	2.1	0
Curtailment loss	0	4.2	0	4.2
Acquisition costs	0	0.8	0	1.9
Asset impairments	13.0	0.5	13.0	1.6
Total operating costs and expenses	303.0	289.9	584.8	564.3
Operating income	65.2	77.6	146.2	164.0
Interest expense	53.7	53.4	108.1	107.9
Other expense, net	0	0	1.5	0
Income before income taxes	11.5	24.2	36.6	56.1
Income tax expense	7.0	10.7	19.5	24.7
Net income	4.5	13.5	17.1	31.4
Preferred stock dividends	2.6	2.6	5.2	5.2
Net income applicable to common shareowners	$ 1.9	$ 10.9	$ 11.9	$ 26.2
Basic earnings per common share	$ 0.01	$ 0.06	$ 0.06	$ 0.13
Diluted earnings per common share	$ 0.01	$ 0.05	$ 0.06	$ 0.13