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Business	12 Months Ended
	Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	Business Overview Cree, Inc. (the Company) is an innovator of wide bandgap semiconductor products for power and radio-frequency (RF) applications and lighting-class light emitting diode (LED) products. The Company's products are targeted for applications such as transportation, power supplies, inverters, wireless systems, indoor and outdoor lighting, electronic signs and signals and video displays. The Company operates in two reportable segments: • Wolfspeed, which consists of silicon carbide (SiC) and gallium nitride (GaN) materials, power devices and RF devices based on silicon (Si) and wide bandgap semiconductor materials. The Company's materials products and power devices are used in electric vehicles, motor drives, power supplies, solar and transportation applications. The Company's materials products and RF devices are used in military communications, radar, satellite and telecommunication applications. • LED Products, which consists of LED chips and LED components. The Company's LED products enable its customers to develop and market LED-based products for lighting, video screens, automotive and specialty lighting applications. Previously, the Company designed, manufactured and sold LED lighting fixtures and lamps for the commercial, industrial and consumer markets. The Company referred to these product lines as the Lighting Products business unit. As discussed in Note 3, “Discontinued Operations,” on May 13, 2019, the Company sold its Lighting Products business unit to IDEAL Industries, Inc. (IDEAL). Unless otherwise noted, discussion within these notes to the consolidated financial statements relates to the Company's continuing operations. The majority of the Company's products are manufactured at its production facilities located in North Carolina, California, Arkansas and China. The Company also uses contract manufacturers for certain products and aspects of product fabrication, assembly and packaging. The Company operates research and development facilities in North Carolina, Arizona, Arkansas, California and China (including Hong Kong). Cree, Inc. is a North Carolina corporation established in 1987, and its headquarters are in Durham, North Carolina.

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- Definition

The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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- References

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