Other Liabilities

6 Months Ended

Jun. 30, 2017

Other Liabilities

Other Liabilities

(10) Other Liabilities

The Company’s other liabilities consisted of the following:

	June 30, 2017		December 31, 2016
	(In thousands)
Current portion of other long-term liabilities
Interest rate swap contracts	$	11,724	$	16,533
Asset retirement obligations		10,829		9,821
Deferred revenue		276		249
Other		9,964		1,634
Total current portion of other long-term liabilities	$	32,793	$	28,237
Other long-term liabilities
Acquisition-related contingent consideration	$	43,175	$	—
Interest rate swap contracts		12,510		14,456
Deferred revenue		1,877		1,698
Other		10,859		2,537
Total other long-term liabilities	$	68,421	$	18,691

As of June 30, 2017, the Acquisition-related contingent consideration line item consisted of the preliminary estimated fair value of the contingent consideration associated with the Spark acquisition. For additional information related to the Spark acquisition contingent consideration, see Note 2. Acquisitions.