Other Information (Tables)

12 Months Ended

Dec. 31, 2018

Other Liabilities Disclosure [Abstract]

Schedule of Other Current Assets and Liabilities

The following tables present additional detail for other current assets and other current liabilities, which consists of the following (in millions):

Other Current Assets:	December 31, 2018		December 31, 2017
Natural gas and NGLs inventory	$	41.3	$	30.1
Secured term loan receivable from contract restructuring, net of discount of $1.1	19.4		—
Prepaid expenses and other	13.5		11.1
Natural gas and NGLs inventory, prepaid expenses, and other	$	74.2	$	41.2

Other Current Liabilities:	December 31, 2018		December 31, 2017
Accrued interest	$	37.5	$	35.6
Accrued wages and benefits, including taxes	37.2		30.4
Accrued ad valorem taxes	28.1		27.8
Capital expenditure accruals	50.6		48.8
Onerous performance obligations	9.0		15.2
Other	85.8		65.1
Other current liabilities	$	248.2	$	222.9