Central Merger and Restructuring, Merger and Integration Costs (Tables)

3 Months Ended

Mar. 31, 2017

Business Combinations [Abstract]

Schedule of Acquisition Related Costs

The aggregate costs associated with the restructuring, merger and integration costs are summarized in the following table:

	Three Months Ended
(millions) (unaudited)	March 31, 2017		March 31, 2016
General and administrative expenses	$	0.1	$	0.8
Depreciation and amortization	—		1.0
Total	$	0.1	$	1.8