Inventories (Tables)

6 Months Ended

Dec. 31, 2015

Inventory, Net [Abstract]

Schedule of inventories

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

($ in millions)	December 31, 2015		June 30, 2015
Raw materials and supplies	$	158.6	$	121.7
Work in process	312.3		346.1
Finished and purchased products	216.8		188.0
Total inventory	$	687.7	$	655.8