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OTHER LONG-TERM LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2018
Other Liabilities, Noncurrent [Abstract]  
Schedule of Other Assets and Other Liabilities [Table Text Block] Other long-term liabilities at December 31, 2018 and 2017, consisted of the following (amounts in thousands):
 
2018
 
2017
Accrued pension liabilities
$
35,062

 
$
35,597

Italian government grant
9,365

 
10,272

Income tax liabilities
8,943

 
11,399

Contingencies
6,500

 
6,500

Other
7,420

 
9,429

 
$
67,290

 
$
73,197