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WORKERS' COMPENSATION INSURANCE AND RESERVES (Tables)
9 Months Ended
Sep. 30, 2018
Workers' Compensation Insurance and Reserves [Abstract]  
Reconciliation of workers' compensation claims reserve
The following table presents a reconciliation of the undiscounted workers’ compensation reserve to the discounted workers’ compensation reserve for the periods presented:
(in thousands)
September 30,
2018
December 31,
2017
Undiscounted workers’ compensation reserve
$
286,156

$
293,600

Less discount on workers’ compensation reserve
20,238

19,277

Workers’ compensation reserve, net of discount
265,918

274,323

Less current portion
70,950

77,218

Long-term portion
$
194,968

$
197,105