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Goodwill and Purchased Intangible Assets - Schedule of Goodwill (Details) $ in Thousands |
6 Months Ended |
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Dec. 31, 2018
USD ($)
reporting_unit |
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| Goodwill | |
| Number of reporting units | reporting_unit | 4 |
| Goodwill | |
| Balance as of June 30, 2018 | $ 354,698 |
| Acquired goodwill | 5,807 |
| Foreign currency and other adjustments | (25) |
| Balance as of December 31, 2018 | 360,480 |
| Wafer Inspection | |
| Goodwill | |
| Balance as of June 30, 2018 | 281,005 |
| Acquired goodwill | 0 |
| Foreign currency and other adjustments | (25) |
| Balance as of December 31, 2018 | 280,980 |
| Patterning | |
| Goodwill | |
| Balance as of June 30, 2018 | 53,255 |
| Acquired goodwill | 0 |
| Foreign currency and other adjustments | 0 |
| Balance as of December 31, 2018 | 53,255 |
| GSS | |
| Goodwill | |
| Balance as of June 30, 2018 | 8,039 |
| Acquired goodwill | 4,631 |
| Foreign currency and other adjustments | 0 |
| Balance as of December 31, 2018 | 12,670 |
| Others | |
| Goodwill | |
| Balance as of June 30, 2018 | 12,399 |
| Acquired goodwill | 1,176 |
| Foreign currency and other adjustments | 0 |
| Balance as of December 31, 2018 | $ 13,575 |
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition
Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition
Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. No definition available.
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- Details
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