Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue
Services	$ 314.8	$ 294.1	$ 626.2	$ 583.9
Products	52.7	44.5	102.1	78.4
Total revenue	367.5	338.6	728.3	662.3
Costs and expenses
Cost of services, excluding items below	114.8	99.5	225.5	196.9
Cost of products sold, excluding items below	54.2	46.5	102.7	83.0
Selling, general and administrative	66.6	67.2	131.2	134.4
Depreciation and amortization	48.8	41.3	97.2	81.5
Restructuring charges	0	5.2	0	5.2
Curtailment loss	4.2	0	4.2	0
Acquisition costs	0.8	9.1	1.9	9.1
Asset impairment	0.5	0	1.6	0
Total operating costs and expenses	289.9	268.8	564.3	510.1
Operating income	77.6	69.8	164.0	152.2
Interest expense	53.4	42.4	107.9	79.5
Loss on extinguishment of debt	0	10.4	0	10.4
Other expense, net	0	0.2	0	0.1
Income before income taxes	24.2	16.8	56.1	62.2
Income tax expense	10.7	7.2	24.7	29.8
Net income	13.5	9.6	31.4	32.4
Preferred stock dividends	2.6	2.6	5.2	5.2
Net income applicable to common shareowners	$ 10.9	$ 7.0	$ 26.2	$ 27.2
Earnings Per Share, Basic	$ 0.06	$ 0.03	$ 0.13	$ 0.14
Earnings Per Share, Diluted	$ 0.05	$ 0.03	$ 0.13	$ 0.13