XML 23 R51.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Balance Sheet Accounts (Summary of Long-term Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Jun. 30, 2019
--- | --- | ---
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |
Acquisition related deferred payments, less current portion | $ 7,741 | $ 9,604
Contingent consideration obligations, less current portion | 930 | 2,688
Other contractual obligations, less current portion | 22,529 | 26,261
Other | 3,039 | 15,597
Total other long-term liabilities | $ 34,239 | $ 54,150

X
- Definition Contingent consideration obligations noncurrent. + References No definition available. + Details
Name: | extr_ContingentConsiderationObligationsNoncurrent
Namespace Prefix: | extr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Deferred payment related to acquisitions. + References No definition available. + Details
Name: | extr_DeferredPaymentRelatedToAcquisitions
Namespace Prefix: | extr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Other contractual obligations noncurrent. + References No definition available. + Details
Name: | extr_OtherContractualObligationsNoncurrent
Namespace Prefix: | extr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Other liabilities of other non current liabilities. + References No definition available. + Details
Name: | extr_OtherLiabilitiesOfOtherNonCurrentLiabilities
Namespace Prefix: | extr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant