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Stock-Based Compensation (Total Stock-Based Compensation Expense) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Dec. 25, 2016 | Dec. 27, 2015 | Dec. 25, 2016 | Dec. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total stock-based compensation expense | $ 12,206 | $ 14,390 | $ 26,856 | $ 29,462
Cost of revenue, net [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total stock-based compensation expense | 2,564 | 2,714 | 5,343 | 5,335
Research and development [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total stock-based compensation expense | 1,907 | 2,428 | 4,513 | 5,192
Selling, general and administrative [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total stock-based compensation expense | 6,184 | 7,140 | 13,819 | 14,988
Wolfspeed business [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total stock-based compensation expense | $ 1,551 | $ 2,108 | $ 3,181 | $ 3,947

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