XML 102 R63.htm IDEA: XBRL DOCUMENT v2.4.1.9
PROPERTY, PLANT, AND EQUIPMENT (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 2,564,340,000us-gaap_PropertyPlantAndEquipmentGross $ 2,417,364,000us-gaap_PropertyPlantAndEquipmentGross  
Less - accumulated depreciation and amortization 1,005,506,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 815,194,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment  
Total property, plant and equipment, net 1,558,834,000us-gaap_PropertyPlantAndEquipmentNet 1,602,170,000us-gaap_PropertyPlantAndEquipmentNet  
Interest Capitalization 500,000us-gaap_AccumulatedCapitalizedInterestCosts 900,000us-gaap_AccumulatedCapitalizedInterestCosts 200,000us-gaap_AccumulatedCapitalizedInterestCosts
Depreciation inclusive of landfill amortization 239,400,000clh_DepreciationInclusiveofAmortization 229,400,000clh_DepreciationInclusiveofAmortization 144,400,000clh_DepreciationInclusiveofAmortization
Land      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 98,507,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
99,794,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
 
Asset retirement costs (non-landfill)      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 10,871,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetRetirementObligationCostsMember
10,938,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetRetirementObligationCostsMember
 
Landfill assets      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 110,984,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandfillMember
100,983,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandfillMember
 
Buildings and improvements      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 338,242,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingAndBuildingImprovementsMember
327,956,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingAndBuildingImprovementsMember
 
Camp equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 180,575,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= clh_CampEquipmentMember
187,831,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= clh_CampEquipmentMember
 
Vehicles      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 471,615,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
425,296,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
 
Equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 1,302,424,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
1,201,296,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
 
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 5,517,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
5,260,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
 
Construction in progress      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 45,605,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
$ 58,010,000us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember