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Pension and Other Benefits
6 Months Ended
Jun. 30, 2026
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Pension and Other Benefits Pension and Other Benefits
 
The following table sets forth the components of net pension and other benefit costs for the three and six months ended June 30, 2026 and 2025 (in millions):
 Pension BenefitsOther Benefits
 2026202520262025
Three Months Ended June 30,    
Service cost$0.1 $0.1 $— $— 
Interest cost8.4 8.8 0.2 0.2 
Expected return on plan assets(7.5)(7.1)— — 
Amortization of prior service cost0.1 0.1 — — 
Amortization of actuarial losses (gains)2.5 2.8 (0.2)(0.2)
NET PERIODIC BENEFIT COST$3.6 $4.7 $ $ 
Six Months Ended June 30,
Service cost$0.2 $0.2 $— $— 
Interest cost16.7 17.6 0.4 0.4 
Expected return on plan assets(15.0)(14.2)— — 
Amortization of prior service cost0.2 0.2 — — 
Amortization of actuarial losses (gains)5.0 5.9 (0.4)(0.3)
NET PERIODIC BENEFIT COST$7.1 $9.7 $ $0.1 


Employer Contributions
 
The Company made no contributions to its U.S. qualified plans and $1.4 million to its foreign pension plans during the six months ended June 30, 2026. Although not required by ERISA and the Internal Revenue Code, the Company may elect to make voluntary contributions to its qualified domestic defined benefit pension plan in 2026.