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OTHER LONG-TERM LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2017
Other Liabilities, Noncurrent [Abstract]  
Schedule of Other Assets and Other Liabilities [Table Text Block] Other long-term liabilities at December 31, 2017 and 2016, consisted of the following (amounts in thousands):
 
2017
 
2016
Accrued pension liabilities
$
35,597

 
$
34,919

Income tax liabilities
11,399

 
16,073

Italian government grant
10,272

 
9,423

Contingencies
6,500

 
—

Accrued employment liabilities
4,178

 
15,689

Other
5,251

 
4,057

 
$
73,197

 
$
80,161