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Segment Information - Additional Information (Details)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Number of reporting segments 2us-gaap_NumberOfReportableSegments    
Net sales | Customer concentration | Boeing company and its subcontractors      
Segment Reporting Information [Line Items]      
Concentration percentage (as a percent) 32.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember		 34.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember		 29.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
Net sales | Customer concentration | Boeing company and its subcontractors | Composite Materials      
Segment Reporting Information [Line Items]      
Concentration percentage (as a percent) 20.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_CompositeMaterialsMember		 24.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_CompositeMaterialsMember		 19.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_CompositeMaterialsMember
Net sales | Customer concentration | Boeing company and its subcontractors | Engineered Products      
Segment Reporting Information [Line Items]      
Concentration percentage (as a percent) 71.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_EngineeredProductsMember		 68.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_EngineeredProductsMember		 66.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_BoeingCompanyAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_EngineeredProductsMember
Net sales | Customer concentration | Airbus Group and its subcontractors      
Segment Reporting Information [Line Items]      
Concentration percentage (as a percent) 31.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_EADSAirbusAndSubcontractorsMember		 29.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_EADSAirbusAndSubcontractorsMember		 28.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_EADSAirbusAndSubcontractorsMember
Net sales | Customer concentration | Airbus Group and its subcontractors | Composite Materials      
Segment Reporting Information [Line Items]      
Concentration percentage (as a percent) 39.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_EADSAirbusAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_CompositeMaterialsMember		 35.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_EADSAirbusAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_CompositeMaterialsMember		 34.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= hxl_EADSAirbusAndSubcontractorsMember
/ us-gaap_StatementBusinessSegmentsAxis
= hxl_CompositeMaterialsMember