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Inventories (Tables)
 3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Inventories
Inventories are valued at the lower of cost or market. Inventories at March 31, 2019 and December 31, 2018 consisted of the following:
 
March 31,
2019
 
December 31,
2018
Inventories carried at LIFO:
 
 
 
Finished goods
$
54.4

 
$
48.6

Raw materials, production parts and work-in-process
31.0

 
28.6

Excess of FIFO over LIFO cost(a)
(31.5
)
 
(31.2
)
Total LIFO inventories
53.9

 
46.0

Inventories carried at FIFO:
 

 
 

Finished goods
64.6

 
53.5

Raw materials, production parts and work-in-process
39.7

 
35.6

Total FIFO inventories
104.3

 
89.1

Total inventories
$
158.2

 
$
135.1