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Note 20 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020
Purchase Obligation, Total | $ 50.2 | $ 20.1
Other Commitment, Total | 8.8 |
Wholesale Segment [Member] |  |
Increase (Decrease) in Revenues From Previous Period | $ 113.4 |

X
- Definition The amount of increase (decrease) in revenues compared to the previous period. + References No definition available. + Details
Name: | eth_IncreaseDecreaseInRevenuesFromPreviousPeriod
Namespace Prefix: | eth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=eth_WholesaleSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |