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VALUATION AND QUALIFYING ACCOUNTS (Detail) - Allowances for doubtful accounts - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 2,997 $ 3,282 $ 3,734
Additions at Cost 1,293 536 800
Deductions (690) (497) (1,055)
Other Changes (49) (324) (197)
Balance at End of Period $ 3,551 $ 2,997 $ 3,282