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ACCOUNTS AND OTHER RECEIVABLE (Tables)
9 Months Ended
Sep. 30, 2020
ACCOUNTS AND OTHER RECEIVABLE  
Schedule of accounts and other receivable

September 30, 

December 31, 

    

2020

    

2019

Amounts billed, net

$

221,447

$

227,528

Unbilled receivables

18,700

 

19,036

Total receivables, net

$

240,147

$

246,564

Schedule of expected credit losses

December 31, 2019

   

$

7,745

Additions

 

407

Deductions - write-offs, net of recoveries

 

(482)

September 30, 2020

$

7,670