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BUSINESS COMBINATIONS (Details)
$ in Millions
1 Months Ended 12 Months Ended
Jul. 31, 2020
USD ($)
Jun. 30, 2020
USD ($)
item
Jun. 30, 2019
USD ($)
item
A privately held services company      
Business Combinations      
Total purchase price $ 3.0    
Maximum contingent consideration   $ 12.0  
Other business acquisitions      
Business Combinations      
Total purchase price   $ 8.9 $ 18.3
Maximum contingent consideration     $ 6.0
Contingent consideration earnout period     5 years
Number of business acquisitions consummated during the year | item   4 3