Inventories (Tables)

9 Months Ended

Mar. 31, 2015

Inventory, Net [Abstract]

Schedule of inventories

Inventories consisted of the following components as of March 31, 2015 and June 30, 2014:

($ in millions)	March 31, 2015		June 30, 2014
Raw materials and supplies	$	143.0	$	122.3
Work in process	368.2		393.9
Finished and purchased products	199.5		183.0
Total inventory	$	710.7	$	699.2