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INCOME TAXES - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Income Tax Contingency [Line Items]        
Effective Income Tax Rate Reconciliation, Percent 17.20% 15.70% 18.30% 87.80%
Effective Income Tax Rate Continuing Operations Excluding Special Items     16.80% 15.40%
Tax Expenses Special Items       $ 101.2