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Inventories
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories
5.Inventories:

 

Inventories consist of the following:

(In thousands)  March 31,
2021
   December 31, 2020 
Raw materials and component parts  $62,446   $66,492 
Finished goods   86,239    92,330 
           
   $148,685   $158,822