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RETIREMENT PLANS AND POSTRETIREMENT BENEFITS (Tables)
6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Net Periodic Benefit
Three Months Ended June 30,
Six Months Ended June 30,
(In millions)
2025
2024
2025
2024
Interest cost
$8.4
$5.6
$16.8
$13.2
Expected return on plan assets
(10.8)
(6.2)
(21.7)
(14.4)
Net periodic benefit
$(2.4)
$(0.6)
$(4.9)
$(1.2)