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Restructuring charges
12 Months Ended
Dec. 31, 2023
Restructuring and Related Activities [Abstract]  
Restructuring charges Restructuring charges
During 2023, 2022 and 2021, we initiated and continued execution of certain business restructuring initiatives aimed at reducing our fixed cost structure and realigning our business.
All restructuring charges in the consolidated statements of income are in relation to severance and related costs for 2023, 2022 and 2021.
Restructuring costs by reportable segment were as follows:
Years ended December 31,
In millions202320222021
Severance and other costs
Gas Cylinders Segment$(2.9)$(1.7)$(5.3)
Elektron Segment(0.3)(0.2)(0.9)
$(3.2)$(1.9)$(6.2)
Asset impairments
Gas Cylinders Segment$(3.0)$— $— 
Elektron Segment(0.2)— — 
$(3.2)$— $— 
Total restructuring charges(6.4)(1.9)(6.2)
Activity related to restructuring, recorded in other current liabilities in the consolidated balance sheets is summarized as follows:
In millions20232022
Balance at January 1,$3.7 $11.7 
Costs incurred3.2 1.9 
Cash payments and other(3.6)(9.9)
Balance at December 31,$3.3 $3.7