Asset Retirement Obligations

12 Months Ended

Dec. 31, 2016

Asset Retirement Obligations

Asset Retirement Obligations

(10) Asset Retirement Obligations

The schedule below summarizes the changes in the Partnership’s asset retirement obligations (in millions):

	Year Ended
	December 31,
	2016		2015
Beginning asset retirement obligations	$	14.0	$	20.6
Revisions to the fair values of existing liabilities		(0.5)		(4.0)
Accretion expense		0.6		0.6
Liabilities settled		(0.6)		(3.2)
Ending asset retirement obligations	$	13.5	$	14.0

Asset retirement obligations of $13.5 million and $12.9 million were included in “Asset retirement obligations” as noncurrent liabilities on the consolidated balance sheets as of December 31, 2016 and 2015, respectively. Asset retirement obligations of $1.1 million were included in “Other current liabilities” on the consolidated balance sheet as of December 31, 2015. There were no asset retirement obligations included in “Other current liabilities” on the consolidated balance sheet as of December 31, 2016.