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Goodwill and Purchased Intangible Assets - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2020 USD ($) reporting_unit segment | Mar. 31, 2019 USD ($)
Goodwill [Line Items] |  |  |  |
Number of reportable segments | segment |  |  | 4 |
Number of reporting units | reporting_unit |  |  | 6 |
Income valuation approach, percent |  |  | 75.00% |
Market valuation approach, percent |  |  | 25.00% |
Goodwill impairment | $ 256,649 | $ 0 | $ 256,649 | $ 0
Specialty Semiconductor Process |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill impairment | 144,200 |  | 144,179 |
PCB and Display |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill impairment | $ 112,500 |  | $ 112,470 |

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