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OTHER COMPREHENSIVE INCOME - Schedule of Changes in Accumulated Other Comprehensive Income, Net of Tax (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2025
USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period $ 8,142.5
Balance at end of period 8,158.5
Total  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period (127.4)
Amounts reclassified from AOCI 1.4
Balance at end of period (126.0)
Cash Flow Hedges  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period (17.7)
Amounts reclassified from AOCI 0.4
Balance at end of period (17.3)
Pension and Postretirement Benefit Plans  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Balance at beginning of period (109.7)
Amounts reclassified from AOCI 1.0
Balance at end of period $ (108.7)