Inventories (Tables)

3 Months Ended

Sep. 30, 2015

Inventory, Net [Abstract]

Schedule of inventories

Inventories consisted of the following components as of September 30, 2015 and June 30, 2015:

($ in millions)	September 30, 2015		June 30, 2015
Raw materials and supplies	$	141.5	$	121.7
Work in process	341.0		346.1
Finished and purchased products	204.2		188.0
Total inventory	$	686.7	$	655.8