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OTHER LONG-TERM LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2019
Other Liabilities, Noncurrent [Abstract]  
Schedule of Other Assets and Other Liabilities [Table Text Block]

Other long-term liabilities at December 31, 2019 and 2018, consisted of the following (amounts in thousands):
 
2019
 
2018
Accrued pension liabilities
$
31,080

 
$
35,062

Operating lease liability
17,360

 
—

Italian government grant
8,227

 
9,365

Contingencies
6,500

 
6,500

Income tax liabilities
4,503

 
8,943

Other
5,475

 
7,420

 
$
73,145

 
$
67,290