v3.21.1
SUBSEQUENT EVENTS (Details) - Subsequent Event
$ in Millions
1 Months Ended
Apr. 30, 2021
facility
Apr. 20, 2021
USD ($)
Apr. 19, 2021
USD ($)
Senior Notes Due 2029      
Subsequent Event [Line Items]      
Debt instrument, face amount   $ 350  
Stated interest rate   4.75%  
Senior Secured Credit Facility      
Subsequent Event [Line Items]      
Maximum borrowing capacity   $ 700 $ 650
Senior Secured Credit Facility | Revolving Credit Facility      
Subsequent Event [Line Items]      
Maximum borrowing capacity   550  
Senior Secured Credit Facility | Term Facility      
Subsequent Event [Line Items]      
Maximum borrowing capacity   $ 150  
Hyperform Inc | Rockledge, Florida      
Subsequent Event [Line Items]      
Number of facilities acquired | facility 2    
Hyperform Inc | Cocoa, Florida      
Subsequent Event [Line Items]      
Number of facilities acquired | facility 2    
Alpha Systems LLC | Elkhart, Indiana      
Subsequent Event [Line Items]      
Number of facilities acquired | facility 9