v3.26.1
Accumulated Other Comprehensive Loss (Notes)
3 Months Ended
Mar. 31, 2026
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] ACCUMULATED OTHER COMPREHENSIVE LOSS
Accumulated other comprehensive loss, net of tax, is comprised of the following:
Pension Plan AdjustmentsOther Post Retirement Employee Benefit Plan AdjustmentsTotal
Balance at December 31, 2024$(47.8)$13.4 $(34.5)
Amounts reclassified from accumulated other comprehensive loss0.1 (0.1)— 
Balance at March 31, 2025$(47.7)$13.2 $(34.5)
Balance at December 31, 2025$(44.2)$13.7 $(30.5)
Amounts reclassified from accumulated other comprehensive loss0.7 (0.1)0.6 
Balance at March 31, 2026$(43.5)$13.6 $(29.9)