v3.26.1
Pension and Other Postemployment Benefits
 6 Months Ended
Jun. 30, 2026
Pension and Other Postemployment Benefits [Abstract]  
Pension and Other Postemployment Benefits Pension and Other Postemployment Benefits
Pension and other postemployment benefits net periodic benefit expense:
Defined Benefit Pension Plans
Postemployment Arrangements
Six Months Ended June 30,Six Months Ended June 30,
2026202520262025
Service cost$6.1 $3.1 $1.0 $1.1 
Interest cost12.5 4.1 2.5 2.8 
Expected return on plan assets(8.1)(0.4)— — 
Amortization of prior service cost2.1 1.6 1.5 1.8 
Amortization of actuarial losses(1.1)0.5 — — 
Total net periodic benefit expense$11.5 $8.9 $5.0 $5.7 
In the six months ended June 30, 2026 and 2025, we contributed $0.6 million and $0.2 million, respectively, to the defined benefit pension plans.