Commitments and Contingencies - Additional Information (Details) $ in Millions				1 Months Ended		3 Months Ended
	Mar. 24, 2023 Entity	Dec. 16, 2022 USD ($) Prp	Oct. 18, 2021 USD ($) mi	Aug. 31, 2017 Entity	Mar. 31, 2016 USD ($) mi	Mar. 31, 2024 USD ($) Entity mi	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Number of identified non governmental potentially responsible parties | Entity				120
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]						Employee-related Liabilities, Current
Accrual for environmental loss contingencies						$ 0.6	$ 0.7
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]						Other Liabilities, Noncurrent
District Court Approval of Consent Decree [Member]
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
Loss Contingencies [Line Items]
Portion of the river for which Record of Decision setting forth the EPA's selected remedy (in miles) | mi					8
Expected cost of capping and dredging of the lower eight miles of the river by EPA			$ 308.7		$ 970.0
Lower Passaic River | Maximum
Loss Contingencies [Line Items]
Portion of the river for which Record of Decision setting forth the EPA's selected remedy (in miles) | mi			9
Expected cost of capping and dredging of the lower eight miles of the river by EPA			$ 661.5		$ 2,070.0
UAO
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