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Inventories (Tables)
9 Months Ended
Mar. 31, 2022
Inventory, Net [Abstract]  
Schedule of Inventories
Inventories consisted of the following components as of March 31, 2022 and June 30, 2021:
 
($ in millions)March 31,
2022
June 30,
2021
Raw materials and supplies$145.2 $115.0 
Work in process257.3 206.2 
Finished and purchased products124.0 104.5 
Total inventories$526.5 $425.7