Inventories

Inventories consisted of the following components at June 30, 2019 and 2018:



	June 30,
($ in millions)	2019		2018
Raw materials and supplies	$	169.8	$	157.5
Work in process	425.7		372.5
Finished and purchased products	192.2		159.2
Total inventory	$	787.7	$	689.2

If the FIFO method of inventory had been used instead of the LIFO method, inventories would have been $178.4 million and $210.3 million higher as of June 30, 2019 and 2018, respectively. Current cost of LIFO-valued inventories was $793.0 million at June 30, 2019 and $760.8 million at June 30, 2018. The reductions in LIFO-valued inventories decreased cost of sales by $0.0 million during fiscal year 2019 and $0.6 million during fiscal year 2018 and $0.0 million during fiscal year 2017.