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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2014
Payables and Accruals [Abstract]  
Schedule of accrued liabilities
Accrued liabilities consisted of the following:
 
(in thousands) 
 
December 31,
`
2014
 
2013
Sales incentive and advertising accruals
$
22,788

 
$
22,195

Dividend payable
6,843

 
6,095

Labor related liabilities
6,598

 
9,129

Vacation liability
6,568

 
6,584

Other
13,281

 
7,742

 
$
56,078

 
$
51,745