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SEGMENT AND GEOGRAPHIC INFORMATION (Tables)
12 Months Ended
Dec. 31, 2020
SEGMENT AND GEOGRAPHIC INFORMATION  
Schedule of geographic data

    

2020

    

2019

    

2018

    

Net product sales:

United States

$

431,024

$

478,790

$

471,561

Canada, Mexico and Other

 

36,403

 

44,826

 

43,690

$

467,427

$

523,616

$

515,251

Long-lived assets:

United States

$

155,664

$

155,428

$

151,770

Canada

28,765

30,412

31,843

Mexico and Other

 

2,899

 

2,615

 

2,488

$

187,328

$

188,455

$

186,101