XML 62 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9
Restructuring (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Number of Positions Eliminated     31us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated    
Restructuring and Related Cost, Expected Number of Positions Eliminated     80us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated    
Proceeds from Divestiture of Businesses     $ 1,123,000us-gaap_ProceedsFromDivestitureOfBusinesses $ 0us-gaap_ProceedsFromDivestitureOfBusinesses $ 0us-gaap_ProceedsFromDivestitureOfBusinesses
Non-cash restructuring charges   11,900,000us-gaap_RestructuringCostsAndAssetImpairmentCharges 49,500,000us-gaap_RestructuringCostsAndAssetImpairmentCharges    
Restructuring charges 9,500,000us-gaap_RestructuringCharges 40,000,000us-gaap_RestructuringCharges 687,000us-gaap_RestructuringCharges 0us-gaap_RestructuringCharges 0us-gaap_RestructuringCharges
Restructuring Costs, After Tax Results     36,200,000aegn_RestructuringCostsAfterTaxResults    
Restructuring and Related Cost, Incurred Cost, Noncash     43,900,000aegn_RestructuringandRelatedCostIncurredCostNoncash    
Restructuring and Related Cost, Incurred Cost     49,518,000us-gaap_RestructuringAndRelatedCostIncurredCost    
Payments for Restructuring     5,600,000us-gaap_PaymentsForRestructuring    
Corrosion Protection [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges     0us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_CorrosionProtectionMember
   
Restructuring and Related Cost, Incurred Cost     22,234,000us-gaap_RestructuringAndRelatedCostIncurredCost
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_CorrosionProtectionMember
   
Payments for Restructuring     0us-gaap_PaymentsForRestructuring
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_CorrosionProtectionMember
   
Infrastructure Solutions [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges     687,000us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_InfrastructureSolutionsMember
   
Restructuring and Related Cost, Incurred Cost     27,284,000us-gaap_RestructuringAndRelatedCostIncurredCost
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_InfrastructureSolutionsMember
   
Payments for Restructuring     5,600,000us-gaap_PaymentsForRestructuring
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_InfrastructureSolutionsMember
   
Ka-te [Member]          
Restructuring Cost and Reserve [Line Items]          
Proceeds from Divestiture of Businesses 1,100,000us-gaap_ProceedsFromDivestitureOfBusinesses
/ dei_LegalEntityAxis
= aegn_KateMember
       
Minimum [Member]          
Restructuring Cost and Reserve [Line Items]          
Payments for Restructuring     1,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Restructuring and Related Cost, Expected Cost 4,000,000us-gaap_RestructuringAndRelatedCostExpectedCost1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
  4,000,000us-gaap_RestructuringAndRelatedCostExpectedCost1
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Maximum [Member]          
Restructuring Cost and Reserve [Line Items]          
Payments for Restructuring     2,000,000us-gaap_PaymentsForRestructuring
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Restructuring and Related Cost, Expected Cost 6,000,000us-gaap_RestructuringAndRelatedCostExpectedCost1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
  6,000,000us-gaap_RestructuringAndRelatedCostExpectedCost1
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Inventories [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost     2,746,000us-gaap_RestructuringAndRelatedCostIncurredCost
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_InventoriesMember
   
Inventories [Member] | Corrosion Protection [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost     0us-gaap_RestructuringAndRelatedCostIncurredCost
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_InventoriesMember
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_CorrosionProtectionMember
   
Inventories [Member] | Infrastructure Solutions [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost     2,746,000us-gaap_RestructuringAndRelatedCostIncurredCost
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_InventoriesMember
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_InfrastructureSolutionsMember
   
Inventories [Member] | Bayou [Member] | Corrosion Protection [Member]          
Restructuring Cost and Reserve [Line Items]          
Restructuring and Related Cost, Incurred Cost     $ 21,700,000us-gaap_RestructuringAndRelatedCostIncurredCost
/ dei_LegalEntityAxis
= aegn_BayouMember
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_InventoriesMember
/ us-gaap_StatementBusinessSegmentsAxis
= aegn_CorrosionProtectionMember