Inventories (Tables)

12 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Components of Inventories

The components of inventories are as follows:

	September 30,
	2017			2016
(In millions)
Inventories at FIFO cost
Finished goods	$	87.6		$	94.0
Work in process	20.3			12.3
Raw materials, supplies and other	52.5			29.4
	160.4			135.7
Less: Excess of FIFO cost over LIFO cost	(8.8		)	(8.3		)
Inventories	$	151.6		$	127.4