Inventories (Tables)

12 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following components at June 30, 2018 and 2017:

	June 30,
($ in millions)	2018		2017
Raw materials and supplies	$	157.5	$	152.8
Work in process	372.5		365.6
Finished and purchased products	159.2		172.0
Total inventory	$	689.2	$	690.4