XML 37 R26.htm IDEA: XBRL DOCUMENT
v3.20.2

Business Combination (Tables) | 3 Months Ended
--- | ---
Sep. 30, 2020
Aerohive Networks, Inc. |
Summary of Unaudited Pro Forma Financial Information | The following table summarizes the unaudited pro forma financial information (in thousands, except per share amounts):
|  | Three Months Ended |
|  | September 30, 2019 |
Net revenues |  | $ | 267,678 |
Net loss |  | $ | (24,084 | )
Net loss per share - basic and diluted |  | $ | (0.20 | )
Shares used in per share calculation - basic and diluted |  |  | 120,226 |

X
- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionProFormaInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=extr_AerohiveNetworksIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |