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SEGMENT INFORMATION - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Segment Reporting Information [Line Items]      
Concentration Risk, Benchmark Description less than 5% less than 5% less than 5%
Home Office And Other [Member]      
Segment Reporting Information [Line Items]      
Regulatory Settlement Charge   $ 52.2  
Sales Revenue, Net [Member]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 10.00% 10.00% 10.00%