Inventories (Tables)

6 Months Ended

Dec. 31, 2016

Inventory, Net [Abstract]

Schedule of inventories

Inventories consisted of the following components as of December 31, 2016 and June 30, 2016:

($ in millions)	December 31, 2016		June 30, 2016
Raw materials and supplies	$	152.5	$	137.6
Work in process	357.3		298.9
Finished and purchased products	190.9		192.2
Total inventory	$	700.7	$	628.7