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Inventories
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories

The components of inventories consisted of:
 
September 30, 2019
 
December 31, 2018
Finished goods
$
78,089


$
87,779

Work-in-process
97,631

 
98,426

Raw material and supplies
78,758

 
79,785

 
$
254,478


$
265,990