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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - Designated as hedging instrument
$ in Millions
Jun. 20, 2018
USD ($)
derivative
Jun. 15, 2019
USD ($)
Feb. 23, 2019
USD ($)
Interest rate swaps      
Derivative [Line Items]      
Notional amount   $ 2,716.2 $ 2,123.2
Interest rate swaps | Cash flow hedging      
Derivative [Line Items]      
Notional amount   2,716.2 2,065.2
Number of interest rate swap agreements held | derivative 2    
Interest rate swaps | Cash flow hedging | Other current liabilities      
Derivative [Line Items]      
Derivative liability   $ 55.6 $ 21.6
Interest rate swap one | Cash flow hedging      
Derivative [Line Items]      
Notional amount $ 339.0    
Interest rate swap two | Cash flow hedging      
Derivative [Line Items]      
Notional amount $ 254.0