Landfill Accounting (Tables)

6 Months Ended

Jun. 30, 2018

Landfill Accounting [Abstract]

Reconciliation of Final Capping, Closure and Post-Closure Liability Balance

The following is a reconciliation of the Company’s final capping, closure and post-closure liability balance from December 31, 2017 to June 30, 2018: 

Final capping, closure and post-closure liability at December 31, 2017	$	237,817
Adjustments to final capping, closure and post-closure liabilities		(13,235)
Liabilities incurred		7,810
Accretion expense associated with landfill obligations		6,386
Closure payments		(477)
Assumption of closure liabilities from acquisitions		4,408
Foreign currency translation adjustment		(1,756)
Final capping, closure and post-closure liability at June 30, 2018	$	240,953