Name:	eth_EBPAgeOfMandatoryDistributions
Namespace Prefix:	eth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The age to begin benefit payouts of the employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPAgeToBeginBenefitPayouts
Namespace Prefix:	eth_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

The number of years over which an employee has participated in the employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPDistributionYearsInThePlan
Namespace Prefix:	eth_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), tranche one.

No definition available.

Name:	eth_EBPEmployerContributionMatchingPercentageTrancheOne
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), tranche two.

No definition available.

Name:	eth_EBPEmployerContributionMatchingPercentageTrancheTwo
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Maximum amount of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) during a fiscal year.

No definition available.

Name:	eth_EBPEmployerContributionMaximumAmountMatched
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum amount contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPEmployerContributionMaximumYearlyAmount
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum yearly contribution including catch up on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPEmployerContributionMaximumYearlyAmountIncludingCatchUp
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum amount of employer contribution including secure catch up on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPEmployerContributionMaximumYearlyAmountIncludingSecureCatchUp
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), tranche one.

No definition available.

Name:	eth_EBPEmployerContributionParticipantCompensationMatchedTrancheOne
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), tranche two.

No definition available.

Name:	eth_EBPEmployerContributionParticipantCompensationMatchedTrancheTwo
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Minimum age of participant required to take in service distribution in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPMinimumAgeOfParticipantToTakeDistribution
Namespace Prefix:	eth_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

Amount of time before the nonvested portion of an elective contribution, resulting from termination or less than 100% withdrawal rate, becomes forfeited and no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPNonvestedPortionLessThanFullWithdrawPeriodUntilForfeit
Namespace Prefix:	eth_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The term on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPNoteReceivableFromParticipantTerm
Namespace Prefix:	eth_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Percentage of maximum after-tax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total after-tax annual compensation.

No definition available.

Name:	eth_EBPParticipantContributionAftertaxMaximumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of maximum annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total annual compensation.

No definition available.

Name:	eth_EBPParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

IRS limit of maximum amount of catch-up contribution that is permitted to contribute to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPParticipantMaximumCatchupContributionIRSLimit
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Strong Retirement Act limit of maximum amount of catch-up contribution that is permitted to contribute to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPParticipantMaximumCatchupContributionStrongRetirementActLimit
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Maximum amount of compensation, as a percentage, for the plan year for eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPParticipantMaximumCompensationForPlanYear
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of employer contributions that become vested following termination of the employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) by the company.

No definition available.

Name:	eth_EBPPlanTerminationButCompanyVestingPercentage
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of distributed vested balance at termination in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPTerminationVestedBalanceDistributed
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Vesting percentage in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPVestingPercentage
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Vesting percentage of elective contributions in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPVestingPercentageElectiveContributions
Namespace Prefix:	eth_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Number of vesting years of service in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	eth_EBPVestingYearsOfService
Namespace Prefix:	eth_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The minimum age required for participants to make catch up contributions.

No definition available.

Name:	eth_EmployeeBenefitPlanMinimumAgeOfParticipantToMakeCatchUpContribution
Namespace Prefix:	eth_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule III))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 7
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-7

Name:	us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of increase in net asset available for benefit from cash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Name:	us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Name:	us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from administrative expense.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-04(5)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Name:	us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForAdministrativeExpense
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from reallocation to participant.

Name:	us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountReallocatedToParticipant
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(D)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1