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Segment and Geographic Information (Tables) | 9 Months Ended
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Mar. 31, 2018
Segment Reporting [Abstract] |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas | Long-lived assets, net consisting of property, plant and equipment and land use rights, by geographical area are as follows:
| March 31, 2018 |  | June 30, 2017
| (in thousands)
China | $ | 176,433 |  |  | $ | 85,691 |
United States | 81,675 |  |  | 61,787 |
Other Countries | 687 |  |  | 713 |
| $ | 258,795 |  |  | $ | 148,191 |
The revenue by geographical location in the following tables is based on the country or region to which the products were shipped:
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands) |  | (in thousands)
Hong Kong | $ | 84,632 |  |  | $ | 75,785 |  |  | $ | 252,302 |  |  | $ | 236,873 |
China | 15,849 |  |  | 15,334 |  |  | 52,122 |  |  | 42,159 |
South Korea | 243 |  |  | 294 |  |  | 831 |  |  | 1,053 |
United States | 1,358 |  |  | 1,075 |  |  | 4,050 |  |  | 2,767 |
Other countries | 820 |  |  | 793 |  |  | 2,351 |  |  | 2,478 |
| $ | 102,902 |  |  | $ | 93,281 |  |  | $ | 311,656 |  |  | $ | 285,330 |
Revenue from External Customers by Products and Services | The following is a summary of revenue by product type:
| Three Months Ended March 31, |  | Nine Months Ended March 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands) |  | (in thousands)
Power discrete | $ | 83,982 |  |  | $ | 70,794 |  |  | $ | 252,754 |  |  | $ | 212,044 |
Power IC | 15,685 |  |  | 19,309 |  |  | 49,540 |  |  | 64,166 |
Packaging and testing services | 3,235 |  |  | 3,178 |  |  | 9,362 |  |  | 9,120 |
| $ | 102,902 |  |  | $ | 93,281 |  |  | $ | 311,656 |  |  | $ | 285,330 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 + Details
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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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