XML 24 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments (Summary of Gross Unrealized Losses and Estimated Fair Value of Short-term Investments, Aggregated by Investment Type and Length of Time) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Sep. 28, 2014 | Sep. 29, 2013 | Jun. 29, 2014
Schedule of Available-for-sale Securities [Line Items] |  |  |
Fair Value, Less than 12 Months | $ 59,129 |  | $ 23,602
Unrealized Loss, Less than 12 Months | (286) |  | (39)
Fair Value, Greater than 12 Months | 14,451 |  | 14,569
Unrealized Loss, Greater than 12 Months | (157) |  | (87)
Fair Value, Total | 73,580 |  | 38,171
Unrealized Loss, Total | (443) |  | (126)
Number of Securities with an Unrealized Loss, Less than 12 Months | 32 |  | 13
Number of Securities with an Unrealized Loss, Greater than 12 Months | 7 |  | 7
Number of Securities with an Unrealized Loss, Total | 39 |  | 20
Gain on sale of investments, net | 2 | 10 |
Municipal Bonds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Fair Value, Less than 12 Months | 10,125 |  | 7,906
Unrealized Loss, Less than 12 Months | (21) |  | (8)
Fair Value, Greater than 12 Months | 1,516 |  | 1,520
Unrealized Loss, Greater than 12 Months | (3) |  | (4)
Fair Value, Total | 11,641 |  | 9,426
Unrealized Loss, Total | (24) |  | (12)
Corporate Bonds [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Fair Value, Less than 12 Months | 49,004 |  | 15,696
Unrealized Loss, Less than 12 Months | (265) |  | (31)
Fair Value, Greater than 12 Months | 12,935 |  | 13,049
Unrealized Loss, Greater than 12 Months | (154) |  | (83)
Fair Value, Total | 61,939 |  | 28,745
Unrealized Loss, Total | (419) |  | (114)
U.S. Agency Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Fair Value, Less than 12 Months | 0 |  | 0
Unrealized Loss, Less than 12 Months | 0 |  | 0
Fair Value, Greater than 12 Months | 0 |  | 0
Unrealized Loss, Greater than 12 Months | 0 |  | 0
Fair Value, Total | 0 |  | 0
Unrealized Loss, Total | 0 |  | 0
Non-U.S. Certificates of Deposit [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Fair Value, Less than 12 Months | 0 |  | 0
Unrealized Loss, Less than 12 Months | 0 |  | 0
Fair Value, Greater than 12 Months | 0 |  | 0
Unrealized Loss, Greater than 12 Months | 0 |  | 0
Fair Value, Total | 0 |  | 0
Unrealized Loss, Total | 0 |  | 0
Non-U.S. Government Securities [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Fair Value, Less than 12 Months | 0 |  | 0
Unrealized Loss, Less than 12 Months | 0 |  | 0
Fair Value, Greater than 12 Months | 0 |  | 0
Unrealized Loss, Greater than 12 Months | 0 |  | 0
Fair Value, Total | 0 |  | 0
Unrealized Loss, Total | $ 0 |  | $ 0

X
- Definition Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities that have been in a loss position for twelve months or longer impacting investments. + References No definition available. + Details
Name: | cree_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments
Namespace Prefix: | cree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities impacting investments. + References No definition available. + Details
Name: | cree_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments
Namespace Prefix: | cree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated pre-tax unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months impacting investments. + References No definition available. + Details
Name: | cree_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments
Namespace Prefix: | cree_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of investment positions in available-for-sale investments that have been in a continuous unrealized loss position for greater than or equal to a year for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References No definition available. + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for less than one year or normal operating cycle, if longer, for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration