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Financing Arrangements (Tables)
12 Months Ended
Dec. 31, 2025
Financing Arrangements  
Schedule of long-term debt

December 31,

  ​ ​ ​

2025

  ​ ​ ​

2024

(in millions)

Line of Credit due July 2029

$

200.0

 

200.0

Less debt issuance costs (deduction from debt liability)

 

(2.3)

 

(3.0)

Total long-term debt

$

197.7

$

197.0