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Inventories (Tables)
12 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of the following components at June 30, 2023 and 2022:
    
 June 30,
($ in millions)20232022
Raw materials and supplies$157.7 $127.8 
Work in process370.1 261.2 
Finished and purchased products111.9 107.1 
Total inventory$639.7 $496.1