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Concentrations of Risk	12 Months Ended
	Jun. 30, 2019
Risks and Uncertainties [Abstract]
Concentrations of Risk	Concentrations of Risk Financial instruments, which may subject the Company to a concentration of risk, consist principally of short-term investments, cash equivalents, and accounts receivable. Short-term investments consist primarily of municipal bonds, corporate bonds, U.S. agency securities, U.S. treasury securities, commercial paper, certificates of deposit, and variable rate demand notes at interest rates that vary by security. The Company’s cash equivalents consist primarily of money market funds. Certain bank deposits may at times be in excess of the FDIC insurance limits. The Company sells its products on account to manufacturers, distributors and others worldwide and generally requires no collateral. Revenue from Arrow Electronics, Inc. represented 19%, 21% and 24% of revenue for the fiscal years ended June 30, 2019, June 24, 2018 and June 25, 2017, respectively. Arrow Electronics, Inc. is a customer of the LED Products and Wolfspeed segments. No customers individually accounted for more than 10% of the consolidated accounts receivable balance as of June 30, 2019. As of June 24, 2018, Arrow Electronics, Inc. and Allied Group Limited accounted for 14% and 14% of the accounts receivable balance, respectively. No other customers individually accounted for more than 10% of the consolidated accounts receivable balance as of June 24, 2018.

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- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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- References

No definition available.

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