XML 27 R20.htm IDEA: XBRL DOCUMENT v3.20.1
Inventories (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
(In thousands)  March 31,
2020
   December 31,
2019
 
Raw materials and component parts  $63,181   $71,895 
Finished goods   106,296    95,914 
           
   $169,477   $167,809