XML 23 R47.htm IDEA: XBRL DOCUMENT v2.4.0.6

Stock-Based Compensation (Narrative) (Details)	3 Months Ended
	Mar. 25, 2012 plans
Share-based Compensation [Abstract]
Number of equity-based compensation plans	1
Employee stock plan purchase discount	15.00%
Number of opportunities to purchase common stock at discount, per year	2

X

- Definition

Share-based Compensation, Common Stock Purchase Terms, Per Year

+ References

No definition available.

+ Details

Name:	cree_ShareBasedCompensationCommonStockPurchaseTermsPerYear
Namespace Prefix:	cree_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Compensation, Equity-based Compensation Plan, Number

+ References

No definition available.

+ Details

Name:	cree_ShareBasedCompensationEquityBasedCompensationPlanNumber
Namespace Prefix:	cree_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ShareBasedCompensationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The discount rate from market value on purchase date that participants pay for shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration