Income Tax Matters (Tables)

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Tax Provision

The provision for income taxes for each period presented consisted of the following (in millions of dollars):

	Quarter Ended
	March 31,
	2018		2017
Domestic	$	5.6	$	18.3
Foreign	0.3		0.2
Total	$	5.9	$	18.5