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Segment Reporting and Geographic Information - Summary of Results for Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
Segment Reporting and Geographic Information |  |
Revenues | $ 1,413,414 | $ 1,093,260
Operating segments |  |
Segment Reporting and Geographic Information |  |
Revenues | 1,413,554 | 1,093,574
Segment gross margin | 857,227 | 712,764
Operating segments | Semiconductor Process Control |  |
Segment Reporting and Geographic Information |  |
Revenues | 1,163,632 | 1,069,959
Segment gross margin | 742,342 | 702,231
Operating segments | Specialty Semiconductor Process |  |
Segment Reporting and Geographic Information |  |
Revenues | 69,139 | 0
Segment gross margin | 38,164 | 0
Operating segments | PCB, Display and Component Inspection |  |
Segment Reporting and Geographic Information |  |
Revenues | 178,552 | 23,615
Segment gross margin | 76,068 | 10,533
Operating segments | Other |  |
Segment Reporting and Geographic Information |  |
Revenues | 2,231 | 0
Segment gross margin | $ 653 | $ 0

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