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REVENUE - Schedule of System Revenues of Primary Markets (Details) - Systems revenue | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 29, 2019 | Dec. 23, 2018 | Dec. 29, 2019 | Dec. 23, 2018
Memory |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Primary market revenue, percent | 52.00% | 79.00% | 58.00% | 78.00%
Foundry |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Primary market revenue, percent | 36.00% | 13.00% | 31.00% | 15.00%
Logic/integrated device manufacturing |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Primary market revenue, percent | 12.00% | 8.00% | 11.00% | 7.00%

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