Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues		$ 2,950.6	$ 2,855.5	$ 2,046.1
Operating Costs and Expenses:
Cost of providing services and products sold	[1]	1,877.5	1,814.5	1,335.1
Selling, general and administrative expenses		684.6	677.1	465.0
Research and development costs		7.1	7.7	8.2
Depreciation		141.5	142.9	85.5
Amortization		27.0	24.7	5.3
Restructuring charges		7.2	1.7	5.4
Asset Impairment Charges		0.0	(1.6)	1.5
Transaction and integration costs		11.3	37.7	2.7
Total costs and expenses		2,756.2	2,704.7	1,908.7
Operating Income (Loss)		194.4	150.8	137.4
Other income (expense), net		0.8	(2.2)	5.1
Interest expense		(18.2)	(19.3)	(11.5)
Income (loss) before income taxes		177.0	129.3	131.0
Income tax expense		8.6	12.8	72.5
Income (loss) from continuing operations		168.4	116.5	58.5
Income (loss) from discontinued operations, net of tax		(0.6)	(3.5)	(2.4)
Net Income (Loss)		$ 169.0	$ 120.0	$ 60.9
Basic Earnings (Loss) per share:
Continuing operations		$ 1.72	$ 1.16	$ 0.57
Discontinued operations		0.01	0.03	0.02
Net basic earnings (loss) per share		1.73	1.19	0.59
Diluted Earnings (Loss) per share:
Continuing operations		1.60	1.10	0.54
Discontinued operations		0.01	0.03	0.02
Net diluted earnings (loss) per share		$ 1.61	$ 1.13	$ 0.56
Weighted average common shares outstanding:
Basic		98.1	100.7	103.3
Diluted		104.7	106.2	109.2
Common Stock, Dividends, Per Share, Declared		$ 0.31	$ 0.27	$ 0.24

[1] Exclusive of depreciation and amortization, with the exception of amortization of deferred charges.