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Accrued Expenses
12 Months Ended
Dec. 31, 2018
Accrued Liabilities, Current [Abstract]  
Accrued Expenses
ACCRUED EXPENSES
Accrued expenses at December 31 consist of the following (in thousands):
 
2018
 
2017
Compensation
$
32,927

 
$
34,752

Interest and taxes
9,231

 
8,002

Customer rebates
10,300

 
10,517

Insurance
7,789

 
7,261

Unearned revenue
12,028

 
3,681

Other
14,799

 
11,254

Total accrued expenses
$
87,074

 
$
75,467


Accrued expenses for insurance are primarily for general liability, workers’ compensation and employee healthcare policies for which the Company is self-insured up to certain per-occurrence and aggregate limits. The amounts accrued represent the Company's best estimates of the probable amount of claims to be paid. Differences between the amounts accrued and the amount that may be reasonably possible of payment are not material. Accrued expenses for unearned revenue primarily relates to customer deposits received for services not yet performed by the Company further discussed in Note 3 of the Company's consolidated financial statements.