INVENTORIES

The classes of inventory as of December 31 are summarized as follows ($ in millions):



	2017		2016
Finished goods	$	982.5	$	884.4
Work in process	309.7		299.4
Raw materials	548.6		525.6
Total	$	1,840.8	$	1,709.4

As of December 31, 2017 and 2016, the difference between inventories valued at LIFO and the value of that same inventory if the FIFO method had been used was not significant. The liquidation of LIFO inventory did not have a significant impact on the Company’s results of operations in any period presented.