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Segment, Customers, and Geographic Information (Tables) | 6 Months Ended
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Dec. 31, 2017
Net Revenue within Geographic Areas Based on Customers' Locations | Net revenue within geographic areas based on our customers’ locations for the periods presented was as follows (in millions):
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
China |  | $ | 209.9 |  |  | $ | 229.0 |  |  | $ | 419.7 |  |  | $ | 407.2 |
Japan |  |  | 97.3 |  |  |  | 123.7 |  |  |  | 188.3 |  |  |  | 197.7 |
Taiwan |  |  | 60.2 |  |  |  | 18.6 |  |  |  | 103.3 |  |  |  | 33.4 |
United States |  |  | 28.8 |  |  |  | 57.0 |  |  |  | 65.0 |  |  |  | 121.3 |
South Korea |  |  | 12.5 |  |  |  | 28.2 |  |  |  | 33.7 |  |  |  | 79.3 |
Other |  |  | 21.7 |  |  |  | 4.8 |  |  |  | 37.8 |  |  |  | 8.6 |
|  | $ | 430.4 |  |  | $ | 461.3 |  |  | $ | 847.8 |  |  | $ | 847.5 |
Net Revenue from External Customers | Net revenue from our customers for each group of similar products was as follows (in millions):
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Mobile product applications |  | $ | 261.8 |  |  | $ | 376.6 |  |  | $ | 554.7 |  |  | $ | 690.6 |
PC product applications |  |  | 61.7 |  |  |  | 63.8 |  |  |  | 127.0 |  |  |  | 118.7 |
IoT product applications |  |  | 106.9 |  |  |  | 20.9 |  |  |  | 166.1 |  |  |  | 38.2 |
|  | $ | 430.4 |  |  | $ | 461.3 |  |  | $ | 847.8 |  |  | $ | 847.5 |
As a result of our recent acquisitions, we are presenting a new revenue line for IoT. Certain reclassifications have been made to the prior year revenue presentation in the above table in order to conform to the current year revenue presentation.
Sales Revenue, Net [Member] |
Major Customers as Percentage of Net Revenue | Net revenue from major customers as a percentage of total net revenue for the periods presented was as follows:
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Customer A |  | 12% |  |  | 21% |  |  | 15% |  |  | 22% |
Customer B |  | 12% |  |  | 10% |  |  | 12% |  |  | 11% |
Customer C |  | * |  |  | 18% |  |  | 11% |  |  | 20% |
Customer D |  | * |  |  | 11% |  |  | * |  |  | * |
Customer E |  | * |  |  | 10% |  |  | * |  |  | * |
*Less than 10%
Accounts Receivable [Member] |
Major Customers as Percentage of Net Revenue | Major customer accounts receivable as a percentage of total accounts receivable were as follows:
|  | December 31, |  |  | June 30, |
|  | 2017 |  |  | 2017 |
Customer A |  | 15% |  |  | 17% |
Customer B |  | 14% |  |  | 13% |
Customer C |  | 11% |  |  | 15% |
Customer D |  | 10% |  |  | * |
Customer E |  | * |  |  | 10% |
* | Less than 10%

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