v3.26.3
Defined Benefit and Postretirement Benefits (Tables)
 9 Months Ended
Sep. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures
For all plans, the components of net periodic loss (benefit) for the three months ended September 30, 2026 and 2025 are as follows:
PensionPostretirement
(in millions)2026202520262025
Service cost$0.8 $0.8 $— $— 
Interest cost8.1 8.6 0.1 — 
Expected return on plan assets(10.9)(11.0)— — 
Amortization of prior service cost0.2 0.2 — — 
Amortization of net loss (gain)3.1 3.5 (0.1)(0.1)
Net periodic loss (benefit) $1.3 $2.1 $— $(0.1)
For all plans, the components of net periodic loss (benefit) for the nine months ended September 30, 2026 and 2025 are as follows:
PensionPostretirement
(in millions)2026202520262025
Service cost$2.4 $2.5 $— $— 
Interest cost24.4 25.9 0.1 0.1 
Expected return on plan assets(32.8)(33.1)— — 
Amortization of prior service cost0.6 0.5 — — 
Amortization of net loss (gain)9.3 10.5 (0.2)(0.3)
Net periodic loss (benefit) $3.9 $6.3 $(0.1)$(0.2)
Schedule of Contributions By Benefit Plan Type
We expect to contribute the following to our pension and postretirement plans:
(in millions)PensionPostretirement
Expected contributions in 2026$2.0 $0.4 
Amounts contributed during the nine months ended September 30, 2026
$1.3 $0.4