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Other Current Liabilities
 6 Months Ended
Jun. 30, 2015
Other Liabilities, Current [Abstract]  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Other Current Liabilities
Other current liabilities consist of the following:
 
 
June 30,
2015
 
December 31,
2014
Payroll related
$
9,718

 
$
12,703

Taxes other than income taxes
5,238

 
5,057

Benefits and pensions
4,550

 
6,640

Freight and rebates
3,959

 
4,346

Income taxes
2,497

 
1,302

Equity repurchases
2,700

 
—

Other
5,450

 
4,758

 
$
34,112

 
$
34,806