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EARNINGS PER SHARE - Schedule of Exchange Agreement (Details) - shares
3 Months Ended
Oct. 31, 2016
Aug. 01, 2016
Sep. 30, 2016
Class B Units      
Conversion of Stock [Line Items]      
Number Involved in Exchange (in shares)   1,323,654 1,323,654.000
Number Outstanding After Exchange (in shares)   94,809,069  
Percentage of Combined Voting Power Class B/Class A Common Stock   67.00%  
Class B Units | Subsequent Event      
Conversion of Stock [Line Items]      
Number Involved in Exchange (in shares) 5,047,528    
Number Outstanding After Exchange (in shares) 89,761,541    
Percentage of Combined Voting Power Class B/Class A Common Stock 64.00%    
Class B Units | Exchanged for cash | Subsequent Event      
Conversion of Stock [Line Items]      
Number Involved in Exchange (in shares) 3,033,041    
Class B Units | Exchanged for Class A common stock | Subsequent Event      
Conversion of Stock [Line Items]      
Number Involved in Exchange (in shares) 2,014,487    
Class B Shares      
Conversion of Stock [Line Items]      
Number Involved in Exchange (in shares)   1,323,654  
Number Outstanding After Exchange (in shares)   94,809,069  
Class B Shares | Subsequent Event      
Conversion of Stock [Line Items]      
Number Involved in Exchange (in shares) 5,047,528    
Number Outstanding After Exchange (in shares) 89,761,541    
Class A Units      
Conversion of Stock [Line Items]      
Percentage of Combined Voting Power Class B/Class A Common Stock   33.00%  
Class A Units | Subsequent Event      
Conversion of Stock [Line Items]      
Percentage of Combined Voting Power Class B/Class A Common Stock 36.00%    
Class A Shares      
Conversion of Stock [Line Items]      
Number Outstanding After Exchange (in shares)   47,365,528  
Class A Shares | Subsequent Event      
Conversion of Stock [Line Items]      
Number Outstanding After Exchange (in shares) 50,085,904