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v2.3.0.11

Geographic Information (Schedule of Percentage of Revenues from Customers by Country) (Details) | 12 Months Ended
--- | ---
Jun. 26, 2011 | Jun. 27, 2010 | Jun. 28, 2009
Revenues from External Customers | 100.00% | 100.00% | 100.00%
China [Member] |  |  |
Revenues from External Customers | 36.00% | 40.00% | 38.00%
United States [Member] |  |  |
Revenues from External Customers | 24.00% | 19.00% | 20.00%
Europe [Member] |  |  |
Revenues from External Customers | 14.00% | 13.00% | 10.00%
South Korea [Member] |  |  |
Revenues from External Customers | 4.00% | 10.00% | 15.00%
Japan [Member] |  |  |
Revenues from External Customers | 7.00% | 9.00% | 9.00%
Malaysia [Member] |  |  |
Revenues from External Customers | 2.00% | 2.00% | 3.00%
Taiwan [Member] |  |  |
Revenues from External Customers | 5.00% | 4.00% | 3.00%
Other [Member] |  |  |
Revenues from External Customers | 8.00% | 3.00% | 2.00%

X
- Definition Percent of revenue from external customers recognized during the period (derived from goods sold, services rendered, or other activities that constitute an entity's earning process. + Details
Name: | cree_PercentageOfRevenuesFromExternalCustomers
Namespace Prefix: | cree
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration