Commitments and Contingencies - Additional Information (Details) $ in Millions				1 Months Ended				12 Months Ended
	Mar. 24, 2023 Entity	Dec. 16, 2022 USD ($) Prp	Oct. 18, 2021 USD ($) mi	Oct. 18, 2021 USD ($) mi	Aug. 31, 2017 Entity	Oct. 31, 2016 mi	Mar. 31, 2016 USD ($) mi	Dec. 31, 2023 USD ($) Entity mi	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Number of identified non governmental potentially responsible parties | Entity					120
Accrual for environmental loss contingencies								$ 0.7	$ 0.8	$ 2.1	$ 2.4
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]								Employee-related Liabilities, Current	Employee-related Liabilities, Current
Purchase commitments for 2024								$ 13.2
Purchase commitments for 2025								8.9
Purchase commitments for 2026								3.5
Purchase commitments for 2027								2.9
Purchase commitments for 2028								2.0
Purchase commitments thereafter								$ 11.0
District Court Approval of Consent Decree
Loss Contingencies [Line Items]
Number of entities, in addition to Hexcel, who received a directive from the New Jersey Department of Environmental Protection | Prp		84
New Jersey Requesting Court Approval for Settlement		$ 150.0
Escrow Deposit		$ 150.0
Lower Passaic River
Loss Contingencies [Line Items]
Number of entities, in addition to Hexcel, who received a directive from the New Jersey Department of Environmental Protection		83						48
Length of river to perform a Remedial Investigation/Feasibility Study ("RI/FS") of environmental conditions | mi								17
Lower Passaic River | Minimum [Member]
Loss Contingencies [Line Items]
Portion of the river for which Record of Decision setting forth the EPA's selected remedy (in miles) | mi						8	8
Expected cost of capping and dredging of the lower eight miles of the river by EPA			$ 308.7	$ 308.7			$ 970.0
Lower Passaic River | Maximum [Member]
Loss Contingencies [Line Items]
Portion of the river for which Record of Decision setting forth the EPA's selected remedy (in miles) | mi			9	9			9
Expected cost of capping and dredging of the lower eight miles of the river by EPA			$ 661.5	$ 661.5			$ 2,070.0
Unilateral Administrative Order [Member]
Loss Contingencies [Line Items]
Number of entities, in addition to Hexcel, who received a directive from the New Jersey Department of Environmental Protection | Entity	38