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Receivables (Tables)
 12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Schedule Of Accounts Receivable
llowance for doubtful accounts roll forward is comprised of the following (in thousands):
 
 
Balance at
Beginning of
Fiscal Year
 
Charged to
Operations
 
Recoveries
(Deductions)
 
Balance at
End of
Fiscal Year
Year ended December 31, 2018
 
$
2,574

 
$
1,034

 
$
—

 
$
3,608

Year ended December 31, 2017
 
$
2,016

 
$
558

 
$
—

 
$
2,574

Year ended December 31, 2016
 
$
1,071

 
$
947

 
$
(2
)
 
$
2,016

Receivables at December 31, 2018 and 2017 was comprised of the following (in thousands):
 
 
December 31,
2018
 
December 31,
2017
Trade receivables
 
$
52,525

 
$
58,067

Unpaid amounts for benefit services
 
52,380

 
52,054

Receivables, gross
 
104,905

 
110,121

Less: allowance for doubtful accounts
 
(3,608
)
 
(2,574
)
Receivables, net
 
$
101,297

 
$
107,547