Annual report pursuant to Section 13 and 15(d)

RESTRUCTURING CHARGES - Summary of Changes in Restructuring Charges (Details)

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RESTRUCTURING CHARGES - Summary of Changes in Restructuring Charges (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2023
Restructuring Reserve [Roll Forward]    
Liability, beginning balance   $ 24.1
Expenses Incurred   37.6
Cash Payments $ (19.6) (43.4)
Liability, ending balance 18.3 18.3
Severance costs    
Restructuring Reserve [Roll Forward]    
Liability, beginning balance   24.1
Expenses Incurred   26.8
Cash Payments   (37.5)
Liability, ending balance 13.4 13.4
Contract terminations and other associated costs    
Restructuring Reserve [Roll Forward]    
Liability, beginning balance   0.0
Expenses Incurred   9.0
Cash Payments   (4.1)
Liability, ending balance 4.9 4.9
Other exit and disposal costs    
Restructuring Reserve [Roll Forward]    
Liability, beginning balance   0.0
Expenses Incurred   1.8
Cash Payments   (1.8)
Liability, ending balance $ 0.0 $ 0.0