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GOODWILL AND PURCHASED INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2023 | Jun. 30, 2023
Goodwill [Line Items] |  |  |
Goodwill | $ 2,813,023 | $ 2,813,023 | $ 2,813,039
Accumulated impairment losses | (726,819) | (726,819) | (534,219)
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 2,278,820 |
Goodwill impairment |  | (192,600) |
Reallocation due to change in reporting units |  | 0 |
Foreign currency adjustments |  | (16) |
Ending balance | 2,086,204 | 2,086,204 |
Wafer Inspection and Patterning |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 1,004,684 | 1,004,684 | 1,004,700
Accumulated impairment losses | (277,570) | (277,570) | (277,570)
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 727,130 |
Goodwill impairment |  | 0 |
Reallocation due to change in reporting units |  | 0 |
Foreign currency adjustments |  | (16) |
Ending balance | 727,114 | 727,114 |
Global Service and Support (“GSS”) |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 25,908 | 25,908 | 25,908
Accumulated impairment losses | 0 | 0 | 0
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 25,908 |
Goodwill impairment |  | 0 |
Reallocation due to change in reporting units |  | 0 |
Foreign currency adjustments |  | 0 |
Ending balance | 25,908 | 25,908 |
Specialty Semiconductor Process |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 826,037 | 826,037 | 826,037
Accumulated impairment losses | (144,179) | (144,179) | (144,179)
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 681,858 |
Goodwill impairment |  | 0 |
Reallocation due to change in reporting units |  | 0 |
Foreign currency adjustments |  | 0 |
Ending balance | 681,858 | 681,858 |
PCB and Display |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 305,070 | 305,070 | 942,819
Accumulated impairment losses | (305,070) | (305,070) | (112,470)
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 830,349 |
Goodwill impairment | (192,600) | (192,600) |
Reallocation due to change in reporting units |  | (637,749) |
Foreign currency adjustments |  | 0 |
Ending balance | 0 | 0 |
PCB |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 567,275 | 567,275 | 0
Accumulated impairment losses | 0 | 0 | 0
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 0 |
Goodwill impairment |  | 0 |
Reallocation due to change in reporting units |  | 567,275 |
Foreign currency adjustments |  | 0 |
Ending balance | 567,275 | 567,275 |
Display |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 70,474 | 70,474 | 0
Accumulated impairment losses | 0 | 0 | 0
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 0 |
Goodwill impairment |  | 0 |
Reallocation due to change in reporting units |  | 70,474 |
Foreign currency adjustments |  | 0 |
Ending balance | 70,474 | 70,474 |
Component Inspection |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 13,575 | 13,575 | 13,575
Accumulated impairment losses | 0 | 0 | $ 0
Goodwill [Roll Forward] |  |  |
Beginning balance |  | 13,575 |
Goodwill impairment |  | 0 |
Reallocation due to change in reporting units |  | 0 |
Foreign currency adjustments |  | 0 |
Ending balance | $ 13,575 | $ 13,575 |

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