Acquisition, Restructuring and Integration Costs (Tables)

9 Months Ended

Sep. 30, 2019

Business Combinations [Abstract]

Schedule of acquisition related costs

The aggregate costs associated with the acquisition, restructuring, and integration related costs for the three and nine months ended September 30, 2019 and September 30, 2018 are summarized in the following table:

	Three Months Ended				Nine Months Ended
(millions) (unaudited)	September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
General and administrative expenses	$	—	$	0.6	$	1.3	$	3.4