Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Purchased Intangible Assets - Schedule of Goodwill (Details)

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Goodwill and Purchased Intangible Assets - Schedule of Goodwill (Details)
$ in Thousands
9 Months Ended
Mar. 31, 2018
USD ($)
reporting_unit
Jun. 30, 2017
USD ($)
Goodwill
Number of reporting units | reporting_unit 4
Goodwill
Balance as of June 30, 2017 $ 349,526
Foreign currency and other adjustments 472
Balance as of March 31, 2018 349,998
Accumulated impairment loss 277,600 $ 277,600
Wafer Inspection
Goodwill
Balance as of June 30, 2017 281,095
Foreign currency and other adjustments (12)
Balance as of March 31, 2018 281,083
Patterning
Goodwill
Balance as of June 30, 2017 53,255
Foreign currency and other adjustments 0
Balance as of March 31, 2018 53,255
GSS
Goodwill
Balance as of June 30, 2017 2,856
Foreign currency and other adjustments 97
Balance as of March 31, 2018 2,953
Others
Goodwill
Balance as of June 30, 2017 12,320
Foreign currency and other adjustments 387
Balance as of March 31, 2018 $ 12,707
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