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Inventories (Tables)
 3 Months Ended
Sep. 30, 2023
Inventory, Net [Abstract]  
Schedule of Inventories
Inventories consisted of the following components as of September 30, 2023 and June 30, 2023:
 
($ in millions)September 30,
2023		June 30,
2023
Raw materials and supplies$182.4 $157.7 
Work in process398.6 370.1 
Finished and purchased products125.7 111.9 
Total inventories$706.7 $639.7