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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are stated at the lower of cost or net realizable value. Cost is determined on the last-in, first-out (LIFO) basis for most U.S. inventories and the first-in, first-out (FIFO) basis for most non-U.S. inventories. Inventories consisted of the following:
September 30,
2020
December 31,
2019
Raw materials$16,174 $13,514 
Supplies and service parts22,628 21,840 
Finished products31,957 36,969 
Inventory at FIFO cost70,759 72,323 
Excess of FIFO cost over LIFO cost(3,785)(4,072)
Total inventory, net$66,974 $68,251