Divestitures (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 0.6	$ 3.5	$ 2.4
Information Management [Member]
Gain on sale of business segment, pre tax	0.2	0.3	(6.4)
Federal, state and foreign income tax obligation	(0.4)	(3.2)	(8.8)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 0.6	3.5	$ 2.4
Revenue from discontinued operations		$ 8.2