Inventories (Tables)

6 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventories are as follows:

	31 March			30 September
	2018			2017
Finished goods		$134.3			$120.0
Work in process	16.1			15.7
Raw materials, supplies and other	213.6			223.0
Total FIFO cost		$364.0			$358.7
Less: Excess of FIFO cost over LIFO cost	(24.1		)	(23.3		)
Inventories		$339.9			$335.4