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Accrued Liabilities
 12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Accrued Liabilities
Accrued Liabilities
 
Accrued liabilities consisted of the following:
 
 
December 31,
(in thousands)
2017
 
2016
Sales incentive and advertising accruals
$
31,143

 
$
25,761

Vacation liability
8,993

 
7,432

Dividend payable
9,954

 
8,535

Labor related liabilities
16,970

 
8,431

Sales taxes payable and other
17,144

 
10,318


$
84,204

 
$
60,477