Income Tax Matters (Tables)

3 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

Tax Provision

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

	Quarter Ended
	March 31,
	2017		2016
Domestic	$	18.3	$	14.9
Foreign	0.2		0.2
Total	$	18.5	$	15.1