Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2017

Discontinued Operations and Disposal Groups [Abstract]

Summary of Balance Sheet and Profit and Loss Information for Discontinued Operations

The following table summarizes the revenues, cost of revenues, operating expenses and income tax of discontinued operations for the periods indicated:

	Three months ended March 31,
$ in millions	2016
Revenues	$	—
Cost of revenues	—
Operating expenses	(0.7		)
Loss from discontinued operations before income taxes	(0.7		)
Gain from disposal of discontinued operations	49.2
Income tax expense	18.9
Income on discontinued operations	$	29.6