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Restructuring and Impairment Expenses (Tables)
12 Months Ended
Dec. 31, 2025
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve
The following table presents an analysis of the Company’s restructuring reserve for the years ended December 31, 2025, 2024, and 2023:
(dollars in millions)Severance
Costs
Other Restructuring ExpensesNon-cash
Impairments
Total
Balance at December 31, 2023$0.3 $2.9 $— $3.2 
Charges12.1 0.8 4.7 17.6 
Cash payments(3.5)(2.2)— (5.7)
Non-cash and other adjustments— — (4.7)(4.7)
Balance at December 31, 20248.9 1.5 — 10.4 
Charges— — — — 
Cash payments(8.9)(0.8)— (9.7)
Non-cash and other adjustments— — — — 
Balance at December 31, 2025— 0.7 — 0.7