XML 19 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9
Segments (Percentage of Net Sales by Product Line) (Details)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Product Information [Line Items]      
Percentage of net sales 100.00%us-gaap_ConcentrationRiskPercentage1 100.00%us-gaap_ConcentrationRiskPercentage1 100.00%us-gaap_ConcentrationRiskPercentage1
Supply Technologies      
Product Information [Line Items]      
Percentage of net sales 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember
Supply Technologies | Supply Technologies      
Product Information [Line Items]      
Percentage of net sales 88.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_SupplyTechnologiesProductMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember		 87.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_SupplyTechnologiesProductMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember		 88.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_SupplyTechnologiesProductMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember
Supply Technologies | Engineered specialty products      
Product Information [Line Items]      
Percentage of net sales 12.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_EngineeredSpecialtyProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember		 13.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_EngineeredSpecialtyProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember		 12.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_EngineeredSpecialtyProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_SupplyTechnologiesMember
Assembly Components      
Product Information [Line Items]      
Percentage of net sales 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember
Assembly Components | Fluid routing      
Product Information [Line Items]      
Percentage of net sales 49.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_FluidRoutingMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 54.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_FluidRoutingMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 50.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_FluidRoutingMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember
Assembly Components | Aluminum products      
Product Information [Line Items]      
Percentage of net sales 43.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_AluminumPrimaryProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 37.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_AluminumPrimaryProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 39.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_AluminumPrimaryProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember
Assembly Components | Rubber and plastics      
Product Information [Line Items]      
Percentage of net sales 6.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_RubberAndPlasticsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 7.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_RubberAndPlasticsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_RubberAndPlasticsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember
Assembly Components | Screw products      
Product Information [Line Items]      
Percentage of net sales 2.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_ScrewProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 2.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_ScrewProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember		 2.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_ScrewProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_AssemblyComponentsMember
Engineered Products      
Product Information [Line Items]      
Percentage of net sales 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember		 100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember
Engineered Products | Industrial equipment business      
Product Information [Line Items]      
Percentage of net sales 78.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_IndustrialEquipmentBusinessMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember		 77.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_IndustrialEquipmentBusinessMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember		 80.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_IndustrialEquipmentBusinessMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember
Engineered Products | Forged and machined products      
Product Information [Line Items]      
Percentage of net sales 22.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_ForgedAndMachinedProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember		 23.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_ForgedAndMachinedProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember		 20.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ProductOrServiceAxis
= pkoh_ForgedAndMachinedProductsMember
/ us-gaap_StatementBusinessSegmentsAxis
= pkoh_EngineeredProductsMember