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Stock-Based Compensation (Schedule of Amendments Increasing the Shares Authorized for Issuance under the Equity Compensation Plan) (Details) (2004 Long-Term Incentive Compensation Plan [Member])	0 Months Ended
	Oct. 26, 2010	Oct. 29, 2009	Oct. 30, 2008	Nov. 01, 2007	Nov. 03, 2005
2004 Long-Term Incentive Compensation Plan [Member]
Additional number of shares authorized for issuance	3,000,000	3,000,000	3,000,000	2,000,000	2,000,000

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- Definition

Share Based Compensation Arrangement By Share Based Payment Additional Number Of Shares Authorized For Issuance

+ Details

Name:	cree_ShareBasedCompensationArrangementByShareBasedPaymentAdditionalNumberOfSharesAuthorizedForIssuance
Namespace Prefix:	cree
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration