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PENSION AND OTHER POST-RETIREMENT BENEFITS (Tables)
3 Months Ended
Mar. 31, 2026
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension Cost
The following table presents the components of net periodic pension cost:
Three Months Ended March 31,
(in millions)
20262025
Service cost
$3.4 $2.0 
Interest cost
5.7 5.2 
Expected return on plan assets
(6.9)(6.0)
Amortization of net gain(0.1)(0.1)
Net periodic pension cost$2.1 $1.1