Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Financial Information About the Parent, the Issuer and the Guarantors - Condensed Consolidating Balance Sheet (Details)

v2.4.1.9
Note 15 - Financial Information About the Parent, the Issuer and the Guarantors - Condensed Consolidating Balance Sheet (Details) (USD $)
Dec. 31, 2014
Jun. 30, 2014
Current assets:    
Cash and cash equivalents $ 112,942,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 109,176,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Marketable securities 8,865,000us-gaap_MarketableSecuritiesCurrent 18,153,000us-gaap_MarketableSecuritiesCurrent
Inventories 151,749,000us-gaap_InventoryNet 146,275,000us-gaap_InventoryNet
Prepaid expenses and other current assets 23,023,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent 19,599,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
Total current assets 307,205,000us-gaap_AssetsCurrent 305,629,000us-gaap_AssetsCurrent
Property, plant and equipment, net 284,789,000us-gaap_PropertyPlantAndEquipmentNet 288,156,000us-gaap_PropertyPlantAndEquipmentNet
Goodwill and other intangible assets 45,128,000eth_GoodwillAndOtherIntangibleAssets 45,128,000eth_GoodwillAndOtherIntangibleAssets
Restricted cash and investments 8,008,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent 8,507,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
Total assets 652,067,000us-gaap_Assets 654,434,000us-gaap_Assets
Current liabilities:    
Current maturities of long-term debt 56,282,000us-gaap_LongTermDebtCurrent 501,000us-gaap_LongTermDebtCurrent
Customer Deposits 52,779,000us-gaap_CustomerDepositsCurrent 59,684,000us-gaap_CustomerDepositsCurrent
Accounts payable 19,501,000us-gaap_AccountsPayableCurrent 24,320,000us-gaap_AccountsPayableCurrent
Accrued expenses and other current liabilities 23,215,000us-gaap_AccruedLiabilitiesCurrent 23,833,000us-gaap_AccruedLiabilitiesCurrent
Total current liabilities 174,936,000us-gaap_LiabilitiesCurrent 136,047,000us-gaap_LiabilitiesCurrent
Long-term debt 75,751,000us-gaap_LongTermDebtNoncurrent 130,411,000us-gaap_LongTermDebtNoncurrent
Total liabilities 271,080,000us-gaap_Liabilities 286,967,000us-gaap_Liabilities
Shareholders’ equity 380,703,000us-gaap_StockholdersEquity 367,215,000us-gaap_StockholdersEquity
Total liabilities and shareholders’ equity 652,067,000us-gaap_LiabilitiesAndStockholdersEquity 654,434,000us-gaap_LiabilitiesAndStockholdersEquity
Consolidated Entities [Member]    
Current assets:    
Cash and cash equivalents 112,942,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
109,176,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Marketable securities 8,865,000us-gaap_MarketableSecuritiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
18,153,000us-gaap_MarketableSecuritiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Accounts receivable, net 10,626,000us-gaap_AccountsReceivableNetCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
12,426,000us-gaap_AccountsReceivableNetCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Inventories 151,749,000us-gaap_InventoryNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
146,275,000us-gaap_InventoryNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Prepaid expenses and other current assets 23,023,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
19,599,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Total current assets 307,205,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
305,629,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Property, plant and equipment, net 284,789,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
288,156,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Goodwill and other intangible assets 45,128,000eth_GoodwillAndOtherIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
45,128,000eth_GoodwillAndOtherIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Restricted cash and investments 8,008,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
8,507,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Other assets 6,937,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
7,014,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Total assets 652,067,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
654,434,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Current liabilities:    
Current maturities of long-term debt 56,282,000us-gaap_LongTermDebtCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
501,000us-gaap_LongTermDebtCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Customer Deposits 52,779,000us-gaap_CustomerDepositsCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
59,684,000us-gaap_CustomerDepositsCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Accounts payable 19,501,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
24,320,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Accrued expenses and other current liabilities 46,374,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
51,542,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Total current liabilities 174,936,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
136,047,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Long-term debt 75,751,000us-gaap_LongTermDebtNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
130,411,000us-gaap_LongTermDebtNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Other long-term liabilities 20,393,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
20,509,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Total liabilities 271,080,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
286,967,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Shareholders’ equity 380,987,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
367,467,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Total liabilities and shareholders’ equity 652,067,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
654,434,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ConsolidatedEntitiesMember
Guarantor Subsidiaries [Member]    
Current assets:    
Cash and cash equivalents 5,971,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
10,347,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Accounts receivable, net 265,000us-gaap_AccountsReceivableNetCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
308,000us-gaap_AccountsReceivableNetCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Inventories 175,436,000us-gaap_InventoryNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
168,996,000us-gaap_InventoryNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Prepaid expenses and other current assets 10,880,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
10,800,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Intercompany receivables 332,230,000us-gaap_DueFromRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
322,382,000us-gaap_DueFromRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total current assets 524,782,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
512,833,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Property, plant and equipment, net 260,009,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
262,272,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Goodwill and other intangible assets 7,223,000eth_GoodwillAndOtherIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
7,223,000eth_GoodwillAndOtherIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Other assets 1,687,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,647,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total assets 793,701,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
783,975,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Current liabilities:    
Current maturities of long-term debt 808,000us-gaap_LongTermDebtCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
501,000us-gaap_LongTermDebtCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Customer Deposits 49,469,000us-gaap_CustomerDepositsCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
55,810,000us-gaap_CustomerDepositsCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Accounts payable 14,701,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
17,699,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Accrued expenses and other current liabilities 11,108,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
16,292,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Intercompany payables 792,251,000us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
773,850,000us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total current liabilities 868,337,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
864,152,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Long-term debt 1,918,000us-gaap_LongTermDebtNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,156,000us-gaap_LongTermDebtNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Other long-term liabilities 15,969,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
15,763,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total liabilities 886,224,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
881,071,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Shareholders’ equity (92,523,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(97,096,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Total liabilities and shareholders’ equity 793,701,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
783,975,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Non-Guarantor Subsidiaries [Member]    
Current assets:    
Cash and cash equivalents 3,244,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
3,262,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Inventories 5,880,000us-gaap_InventoryNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
6,141,000us-gaap_InventoryNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Prepaid expenses and other current assets 1,930,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,845,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Intercompany receivables (3,412,000)us-gaap_DueFromRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(3,478,000)us-gaap_DueFromRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total current assets 7,642,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
7,770,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Property, plant and equipment, net 16,622,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
17,036,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Other assets 622,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
747,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total assets 24,886,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
25,553,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Current liabilities:    
Customer Deposits 3,310,000us-gaap_CustomerDepositsCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
3,874,000us-gaap_CustomerDepositsCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Accounts payable 268,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
198,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Accrued expenses and other current liabilities 1,614,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,581,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Intercompany payables 33,253,000us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
29,085,000us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total current liabilities 38,445,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
34,738,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Other long-term liabilities 448,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
505,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total liabilities 38,893,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
35,243,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Shareholders’ equity (14,007,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(9,690,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Total liabilities and shareholders’ equity 24,886,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
25,553,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Parent Company [Member]    
Current assets:    
Investment in affiliated companies 751,476,000us-gaap_OtherInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
731,003,000us-gaap_OtherInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total assets 751,476,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
731,003,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Current liabilities:    
Accrued expenses and other current liabilities 3,613,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3,013,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Intercompany payables 366,876,000us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
360,523,000us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total current liabilities 370,489,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
363,536,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total liabilities 370,489,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
363,536,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Shareholders’ equity 380,987,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
367,467,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Total liabilities and shareholders’ equity 751,476,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
731,003,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Subsidiary Issuer [Member]    
Current assets:    
Cash and cash equivalents 103,727,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
95,567,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Marketable securities 8,865,000us-gaap_MarketableSecuritiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
18,153,000us-gaap_MarketableSecuritiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Accounts receivable, net 10,361,000us-gaap_AccountsReceivableNetCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
12,118,000us-gaap_AccountsReceivableNetCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Prepaid expenses and other current assets 10,213,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
6,954,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Intercompany receivables 854,758,000us-gaap_DueFromRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
836,086,000us-gaap_DueFromRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Total current assets 987,924,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
968,878,000us-gaap_AssetsCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Property, plant and equipment, net 8,158,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
8,848,000us-gaap_PropertyPlantAndEquipmentNet
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Goodwill and other intangible assets 37,905,000eth_GoodwillAndOtherIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
37,905,000eth_GoodwillAndOtherIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Restricted cash and investments 8,008,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
8,507,000us-gaap_RestrictedCashAndCashEquivalentsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Other assets 4,628,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
4,620,000us-gaap_OtherAssetsNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Investment in affiliated companies (104,740,000)us-gaap_OtherInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(107,050,000)us-gaap_OtherInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Total assets 941,883,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
921,708,000us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Current liabilities:    
Current maturities of long-term debt 55,474,000us-gaap_LongTermDebtCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
 
Accounts payable 4,532,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
6,423,000us-gaap_AccountsPayableCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Accrued expenses and other current liabilities 30,039,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
30,656,000us-gaap_AccruedLiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Intercompany payables (8,804,000)us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(8,468,000)us-gaap_DueToRelatedPartiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Total current liabilities 81,241,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
28,611,000us-gaap_LiabilitiesCurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Long-term debt 73,833,000us-gaap_LongTermDebtNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
129,255,000us-gaap_LongTermDebtNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Other long-term liabilities 3,976,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
4,241,000us-gaap_OtherLiabilitiesNoncurrent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Total liabilities 159,050,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
162,107,000us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Shareholders’ equity 782,833,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
759,601,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Total liabilities and shareholders’ equity 941,883,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
921,708,000us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Consolidation, Eliminations [Member]    
Current assets:    
Inventories (29,567,000)us-gaap_InventoryNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(28,862,000)us-gaap_InventoryNet
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Intercompany receivables (1,183,576,000)us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(1,154,990,000)us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Total current assets (1,213,143,000)us-gaap_AssetsCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(1,183,852,000)us-gaap_AssetsCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Investment in affiliated companies (646,736,000)us-gaap_OtherInvestments
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(623,953,000)us-gaap_OtherInvestments
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Total assets (1,859,879,000)us-gaap_Assets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(1,807,805,000)us-gaap_Assets
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Current liabilities:    
Intercompany payables (1,183,576,000)us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(1,154,990,000)us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Total current liabilities (1,183,576,000)us-gaap_LiabilitiesCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(1,154,990,000)us-gaap_LiabilitiesCurrent
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Total liabilities (1,183,576,000)us-gaap_Liabilities
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(1,154,990,000)us-gaap_Liabilities
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Shareholders’ equity (676,303,000)us-gaap_StockholdersEquity
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
(652,815,000)us-gaap_StockholdersEquity
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
Total liabilities and shareholders’ equity $ (1,859,879,000)us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember
$ (1,807,805,000)us-gaap_LiabilitiesAndStockholdersEquity
/ us-gaap_ConsolidationItemsAxis
= us-gaap_ConsolidationEliminationsMember