Inventories (Tables)

12 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following components at June 30, 2017 and 2016:

	June 30,
($ in millions)	2017		2016
Raw materials and supplies	$	152.8	$	137.6
Work in process	365.6		298.9
Finished and purchased products	172.0		192.2
Total inventory	$	690.4	$	628.7