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Restructuring and Related Activities (Tables)
12 Months Ended
Dec. 31, 2023
Restructuring and Related Activities [Abstract]  
Schedule of restructuring reserve by type of cost
Restructuring related charges recorded for the years ended December 31 by segment were as follows ($ in millions): 
202320222021
Specialty Products & Technologies$14.0 $14.7 $25.2 
Equipment & Consumables19.0 19.7 32.1 
Other2.1 3.2 6.3 
Total$35.1 $37.6 $63.6 
The restructuring related charges incurred during the years ended December 31, are reflected in the following captions in the accompanying Consolidated Statements of Operations ($ in millions):
202320222021
Cost of sales$10.0 $13.6 $35.9 
Selling, general and administrative expenses25.1 24.0 27.7 
Total$35.1 $37.6 $63.6