Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE LOSS - Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss (Details)

v3.20.1
ACCUMULATED OTHER COMPREHENSIVE LOSS - Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Amounts reclassified from accumulated other comprehensive income (loss) $ 3.7
Prior service cost  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Total net periodic benefit cost, before tax (0.1)
Recognized actuarial loss  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Total net periodic benefit cost, before tax 5.1
Pension and other postretirement benefit plans  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Total net periodic benefit cost, before tax 5.0
Total net periodic benefit cost, tax benefit (1.3)
Amounts reclassified from accumulated other comprehensive income (loss) $ 3.7