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DEBT - REVOLVING CREDIT FACILITY (Details)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Debt  
Payment of debt financing costs $ 18.5
Revolving Credit Facility  
Debt  
Funds available under the revolving credit facility $ 518.9
Interest rate during period (as a percent) 3.25%
Standby and commercial letters of credit  
Debt  
Standby letters of credit $ 8.1