Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

The following table provides additional information regarding our Consolidated Statements of Cash Flows for the years ended December 31, 2018, 2017 and 2016:



Year Ended December 31, (in millions)	2018		2017		2016
Supplemental Disclosures of Cash Flow Information
Non-cash transactions:
Capital expenditures included in current liabilities	$	152.0	$	173.0	$	125.3
Assets acquired under a capital lease	54.6		11.5		4.0
Reclassification of other property to regulatory assets⁽¹⁾	245.3		—		—
Assets recorded for asset retirement obligations⁽²⁾	78.1		11.4		6.9
Schedule of interest and income taxes paid:
Cash paid for interest, net of interest capitalized amounts	$	354.2	$	339.9	$	337.8
Cash paid for income taxes, net of refunds	3.3		5.5		8.0

⁽¹⁾See Note 8 "Regulatory Matters" for additional information.

⁽²⁾See Note 7 "Asset Retirement Obligations" for additional information.