XML 37 R26.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Summary of Inventories Inventories valued at LIFO (last-in, first-out), consist of the following (in thousands):
 
 
 
March 31,

2019
 
 
December 31,

2018
 
Finished goods
 
$
34,124
 
 
$
46,638
 
Raw materials
 
 
32,245
 
 
 
27,321
 
Total FIFO (first-in, first-out) inventories
 
 
66,369
 
 
 
73,959
 
Reserve to adjust inventories to LIFO value
 
 
(18,442
)
 
 
(18,442
)
Total LIFO inventories
 
$
47,927
 
 
$
55,517