Basis of Presentation and New Accounting Standards	9 Months Ended
Basis of Presentation and New Accounting Standards	Mar. 29, 2020
Accounting Policies [Abstract]
Basis of Presentation and New Accounting Standards	Basis of Presentation and New Accounting Standards Overview Cree, Inc. (the Company) is an innovator of wide bandgap semiconductors, focused on silicon carbide and gallium nitride materials, products for power and radio-frequency (RF) applications and specialty lighting-class light emitting diode (LED) products. The Company's silicon carbide and gallium nitride (GaN) materials and products are targeted for applications such as transportation, power supplies, inverters, wireless systems, and the Company's LEDs are targeted for indoor and outdoor lighting, electronic signs and signals and video displays. The Company operates in two reportable segments: •Wolfspeed, which consists of silicon carbide and GaN materials, power devices and RF devices based on wide bandgap semiconductor materials and silicon. 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 2, “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. Basis of Presentation The consolidated financial statements presented herein have been prepared by the Company and have not been audited. In the opinion of management, all normal and recurring adjustments necessary to fairly state the consolidated financial position, results of operations, comprehensive loss, shareholders' equity and cash flows at March 29, 2020, and for all periods presented, have been made. All material intercompany accounts and transactions have been eliminated. The consolidated balance sheet at June 30, 2019 has been derived from the audited financial statements as of that date. These financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) for interim information and with the instructions to Form 10-Q and Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for annual financial statements. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended June 30, 2019 (fiscal 2019). The results of operations for the three and nine months ended March 29, 2020 are not necessarily indicative of the operating results that may be attained for the entire fiscal year ending June 28, 2020 (fiscal 2020). Additionally, the impact of the COVID-19 pandemic to the results of operations is uncertain. Historical periods presented include reclassifications to reflect discontinued operations (see Note 2, "Discontinued Operations"). The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses, and the disclosure of contingent assets and liabilities. Actual amounts could differ materially from those estimates. Certain accounting matters that generally require consideration of forecasted financial information were assessed regarding impacts from the COVID-19 outbreak as of March 29, 2020 and through the date of this Quarterly Report using reasonably available information as of those dates. The accounting matters assessed included, but were not limited to, allowance for doubtful accounts, the carrying value of goodwill and other long-lived tangible and intangible assets, the potential impact to earnings of unrealized losses on investments, valuation allowances for tax assets and the ability to estimate an annual effective tax rate. While the assessments resulted in no material impacts to the consolidated financial statements as of and for the quarter ended March 29, 2020, the Company believes the full impact of the outbreak remains uncertain and will continue to assess if ongoing developments related to the outbreak may cause future material impacts to our consolidated financial statements. The Company revised net cash provided by operating activities and net cash provided by financing activities for the nine months ended March 31, 2019 to correct the presentation of tax withholding for stock option exercises. The Company increased net cash provided by operating activities by $12.4 million and decreased net cash provided by financing activities by the same amount. The Company concluded this error was not material individually or in the aggregate to any of the periods impacted. Certain prior period amounts related to the Lighting Products business unit in the accompanying statements of cash flows have been reclassified to conform to the current year presentation. These reclassifications pertain to the presentation of discontinued operations within operating, investing and financing activities. This reclassification did not impact cash provided by (used in) operating, investing, or financing activities. Recently Adopted Accounting Pronouncements Leases In February 2016, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2016-02: Leases (Topic 842) (ASC 842), and ASU 2018-10: Codification Improvements to ASC 842, Leases. These ASUs require that a lessee recognize in its statement of financial position a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term and requires enhanced disclosures about an entity’s leasing arrangements. The Company adopted this standard on July 1, 2019, under the modified retrospective transition approach with the cumulative effect of application recognized at the effective date, without adjustment to prior comparative periods. The Company elected to utilize the transition package of practical expedients that allows the Company to not reassess (1) whether any expired or existing contracts are leases, or contain leases, (2) the lease classification for any expired or existing leases, and (3) initial direct costs for any existing leases. Further, the Company elected the practical expedient to not separate lease and non-lease components for all leases and account for the combined lease and non-lease components as a single lease component. The Company also made an accounting policy election to exclude leases with an initial term of 12 months or less from the consolidated balance sheets. The adoption of the new standard resulted in the recognition of $12.2 million of lease liabilities with corresponding right-of-use assets of $12.3 million as of July 1, 2019. As required, the right-of-use assets include the effect of reclassifying certain balances including deferred and prepaid rent, a portion of facilities-related restructuring accrual reserves, and a favorable lease intangible asset previously recognized in connection with an acquisition. The Company did not have a cumulative-effect adjustment to retained earnings as a result of the adoption of the new standard. The standard did not materially impact the Company's results from operations and had no impact on cash flows. See Note 4, "Leases," for additional disclosures, as required by the new standard. The reported results as of and for the three and nine months ended March 29, 2020 reflect the application of the new accounting guidance, while the reported results for prior periods have not been adjusted and continue to be reported in accordance with the Company's historical accounting under ASC 840, Leases. Accounting Pronouncements Pending Adoption Credit Losses In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This ASU introduces a new accounting model known as Current Expected Credit Losses (“CECL”). CECL requires earlier recognition of credit losses, while also providing additional transparency about credit risk. The CECL model utilizes a lifetime expected credit loss measurement objective for the recognition of credit losses for receivables at the time the financial asset is originated or acquired. The expected credit losses are adjusted each period for changes in expected lifetime credit losses. This model replaces the multiple existing impairment models in current GAAP, which generally require that a loss be incurred before it is recognized. The new standard will also apply to receivables arising from revenue transactions such as contract assets and accounts receivables. There are other provisions within the standard affecting how impairments of other financial assets may be recorded and presented, as well as expanded disclosures. The Company will adopt this standard on June 29, 2020 and is currently evaluating the impact on its consolidated financial statements. Income Taxes In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. This ASU simplifies the accounting for income taxes by removing certain exceptions to the general principles in Topic 740. The ASU also improves consistent application and simplifies other areas of Topic 740 by clarifying and amending existing guidance. Early adoption is permitted, provided that the Company reflects any adjustments as of the beginning of the annual period that includes the interim period for which such early adoption occurs. Additionally, the Company must adopt all the amendments in the same period if early adoption is elected. The Company will adopt this standard on or before June 28, 2021 and does not expect this standard to have a material impact on its consolidated financial statements.