XML 56 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Property, Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 133,241us-gaap_PropertyPlantAndEquipmentGross $ 131,419us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation (83,215)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (78,951)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Total Property, plant and equipment 50,026us-gaap_PropertyPlantAndEquipmentNet 52,468us-gaap_PropertyPlantAndEquipmentNet
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 2,458us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
2,458us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 14,380us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingAndBuildingImprovementsMember
14,167us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingAndBuildingImprovementsMember
Buildings and improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 10 years  
Buildings and improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 30 years  
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 107,899us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
94,184us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
Machinery and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 3 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 15 years  
Office furniture, fixtures and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 4,698us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
9,717us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Office furniture, fixtures and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 3 years  
Office furniture, fixtures and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 10 years  
Automotive equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 374us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= avd_AutomotiveMember
278us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= avd_AutomotiveMember
Automotive equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 3 years  
Automotive equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 6 years  
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 3,432us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
$ 10,615us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
Construction in progress | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 3 years  
Construction in progress | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment Useful Life 15 years