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PENSION AND OTHER POST-RETIREMENT BENEFITS (Tables)
6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension Cost
The following table presents the components of net periodic pension cost:
Three Months Ended June 30,Six Months Ended June 30,
(in millions)
2025202420252024
Service cost
$3.2 $2.5 $5.2 $5.1 
Interest cost
7.0 4.6 12.2 9.3 
Expected return on plan assets
(8.1)(5.0)(14.1)(10.1)
Amortization of net gain
(0.2)(0.1)(0.3)(0.2)
Net periodic pension cost
$1.9 $2.0 $3.0 $4.1