XML 59 R24.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2012
Equity [Abstract] |
Schedule of Comprehensive Income (Loss) | The following are the components of comprehensive income, net of tax (in thousands):
| Year Ended
| June 30, 2012 |  | July 3, 2011 |  | June 27, 2010
Net income | $ | 15,872 |  |  | $ | 2,713 |  |  | $ | 227 |
Change in unrealized (loss) gain on investments: |  |  |  |  |
Net unrealized (loss) gain on other investments | (196 | ) |  | 109 |  |  | (265 | )
Foreign currency translation adjustments: |  |  |  |  |
Beginning balance | 3,448 |  |  | 954 |  |  | 912 |
Ending balance | (920 | ) |  | 3,448 |  |  | 954 |
Foreign currency translation adjustments change | (4,368 | ) |  | 2,494 |  |  | 42 |
Comprehensive income | $ | 11,308 |  |  | $ | 5,316 |  |  | $ | 4 |
Shares Reserved for Insurance | The following are shares reserved for issuance (in thousands):
| June 30, 2012
Employee stock purchase plan | 2,571 |
Employee stock options | 18,524 |
Total shares reserved for issuance | 21,095 |

X
- Definition Shares Reserved for Insurance [Table Text Block] + References No definition available. + Details
Name: | extr_SharesReservedForInsuranceTableTextBlock
Namespace Prefix: | extr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e526-108580 + Details
Name: | us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration