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Segment Reporting and Geographic Information - Schedule of Revenue from External Customers (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 1,070,004 | $ 1,021,294 | $ 975,822 | $ 969,581 | $ 938,647 | $ 913,809 | $ 876,885 | $ 750,673 | $ 4,036,701 | $ 3,480,014 | $ 2,984,493
Segment percent of total revenues |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Korea |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,178,601 | $ 688,094 | $ 367,905
Segment percent of total revenues |  |  |  |  |  |  |  |  | 29.00% | 20.00% | 12.00%
China |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 643,033 | $ 412,098 | $ 430,074
Segment percent of total revenues |  |  |  |  |  |  |  |  | 16.00% | 12.00% | 14.00%
Japan |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 638,358 | $ 351,202 | $ 444,216
Segment percent of total revenues |  |  |  |  |  |  |  |  | 16.00% | 10.00% | 15.00%
Taiwan |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 636,363 | $ 1,104,307 | $ 894,557
Segment percent of total revenues |  |  |  |  |  |  |  |  | 16.00% | 32.00% | 30.00%
North America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 494,330 | $ 523,024 | $ 521,335
Segment percent of total revenues |  |  |  |  |  |  |  |  | 12.00% | 14.00% | 18.00%
Europe & Israel |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 300,883 | $ 263,789 | $ 167,936
Segment percent of total revenues |  |  |  |  |  |  |  |  | 7.00% | 8.00% | 6.00%
Rest of Asia |  |  |  |  |  |  |  |  |  |  |
Segment Reporting and Geographic Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 145,133 | $ 137,500 | $ 158,470
Segment percent of total revenues |  |  |  |  |  |  |  |  | 4.00% | 4.00% | 5.00%

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + 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 + Details
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