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SEGMENT INFORMATION, REVENUES BY GEOGRAPHY AND SIGNIFICANT CUSTOMERS - Percentage of Revenues, Accounts Receivable (Detail) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Jun. 30, 2016
Revenues |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Revenue percentage | 100.00% | 100.00% | 100.00% | 100.00% |
Revenues | Customer C |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Revenue percentage | 10.00% |  | 11.00% |  |
Revenues | Customer D |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Revenue percentage |  |  |  | 10.00% |
Accounts Receivable | Customer A |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Revenue percentage |  |  | 12.00% |  | 11.00%
Accounts Receivable | Customer B |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Revenue percentage |  |  |  |  | 13.00%
Accounts Receivable | Customer C |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |
Revenue percentage |  |  | 17.00% |  | 18.00%

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