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Other Liabilities
 12 Months Ended
Dec. 31, 2017
Other Liabilities  
Other Liabilities

(12) Other Liabilities 

 

The Company’s other liabilities consisted of the following:  

 

 

 

 

 

 

 

 

 

    

December 31, 2017

    

December 31, 2016

 

 

(In thousands)

Current portion of other long-term liabilities

 

 

 

 

 

 

Interest rate swap contracts

 

$

7,314

 

$

16,533

Asset retirement obligations

 

 

9,837

 

 

9,821

Deferred revenue

 

 

3,590

 

 

249

Other

 

 

10,629

 

 

1,634

Total current portion of other long-term liabilities

 

$

31,370

 

$

28,237

 

 

 

 

 

 

 

Noncurrent portion of other long-term liabilities

 

 

 

 

 

 

Acquisition-related contingent consideration

 

$

42,614

 

$

 —

Interest rate swap contracts

 

 

3,547

 

 

14,456

Deferred revenue

 

 

2,063

 

 

1,698

Other

 

 

26,778

 

 

2,537

Total noncurrent portion of other long-term liabilities

 

$

75,002

 

$

18,691

 

As of December 31, 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 and Divestitures.