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SUBSEQUENT EVENTS (Tables)
 3 Months Ended
Mar. 31, 2021
Subsequent Events [Abstract]  
Summary of Funds for Debt Repurchase Funds for the repurchase, excluding any interest, are expected to come from the following (in millions):
Restricted cash held as of March 31, 2021$169.8 
Additional net proceeds from 2026 Notes issued in April 202125.5 
Unrestricted cash58.7