v3.26.3
Note 10 - Pension and Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2026
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

Pension Plan and SERP

  

Postretirement Plan

 
  

For the Three Months Ended September 30,

 
  

2026

  

2025

  

2026

  

2025

 

Interest cost

 $3.8  $3.7  $0.1  $0.1 

Expected return on plan assets

  (6.9)  (6.2)  (0.1)  (0.1)

Amortization of prior service cost

  —   0.1   —   — 

Amortization of net actuarial loss

  0.9   0.9   0.1   0.2 

Net periodic (benefit) cost

 $(2.2) $(1.5) $0.1  $0.2 

Employer contributions, net

 $0.6  $—  $0.2  $0.8 
  

Pension Plan and SERP

  

Postretirement Plan

 
  

For the Nine Months Ended September 30,

 
  

2026

  

2025

  

2026

  

2025

 

Interest cost

 $11.4  $11.2  $0.1  $0.2 

Expected return on plan assets

  (20.9)  (18.7)  (0.1)  (0.2)

Amortization of prior service cost

  0.3   0.2   —   — 

Amortization of net actuarial loss

  2.7   2.8   0.3   0.4 

Net periodic (benefit) cost

 $(6.5) $(4.5) $0.3  $0.4 

Employer contributions/(reimbursement), net

 $1.6  $0.2  $0.6  $(1.9)