XML 52 R39.htm IDEA: XBRL DOCUMENT v3.10.0.1
COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments under Non-Cancellable Operating Leases
Future minimum rental payments under non-cancellable operating leases, which include landfill operating leases, are as follows:
Estimated Future Minimum Lease Payments as of December 31, 2018
 
2019
$
15,572

2020
12,678

2021
10,117

2022
7,953

2023
6,250

Thereafter
65,145

Total minimum lease payments
$
117,715
Schedule of Environmental Remedial Liability
The changes to the environmental remediation liability associated with the Southbridge Landfill are as follows:
 
 
 
 
 
Fiscal Year Ended
December 31,
 
2018
 
2017
Beginning balance
$
5,936

 
$
—

Accretion expense
152

 
82

Obligations incurred
—

 
6,379

Obligations settled (1)
(915
)
 
(525
)
Ending balance
$
5,173

 
$
5,936

(1)
Includes amounts that are being processed through accounts payable as a part of our disbursements cycle.
A summary of the changes to the environmental remediation liability associated with the Potsdam environmental remediation liability follows:
 
Fiscal Year Ended
December 31,
 
2018
 
2017
Beginning balance
$
5,758

 
$
5,866

Payments
(171
)
 
(108
)
Obligations incurred
27

 
—

Ending balance
$
5,614

 
$
5,758
Schedule of Total Expected Environmental Remediation Payments for Succeeding Year
The total expected environmental remediation payments, in today’s dollars, for each of the five succeeding fiscal years and the aggregate amount thereafter are as follows:
Estimated Future Environmental Remediation Payments as of December 31, 2018
2019
$
3,974

2020
1,289

2021
398

2022
372

2023
383

Thereafter
5,250

Total
$
11,666
Reconciliation of Expected Aggregate Non-inflated, Undiscounted Environmental Remediation Liability to Amount Recognized in Statement of Financial Position
A reconciliation of the expected aggregate non-inflated, undiscounted environmental remediation liability to the amount recognized in the statement of financial position is as follows:
 
 
Undiscounted liability
$
11,666

Less discount, net
(879
)
Liability balance - December 31, 2018
$
10,787