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Inventories: (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories consist of the following:

 

Inventories consist of the following:

 

 

 

 

 

 

 

(In thousands)

 

 

September 30,

 

 

December 31,

 

 

 

 

2021

 

 

2020

 

Raw materials and component parts

 

$

78,762

 

$

66,492

 

Finished goods

 

 

77,263

 

 

92,330

 

 

 

 

 

 

 

 

 

 Inventories

 

$

156,025

 

$

158,822