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Stock-Based Compensation - Additional Information (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Cash received from stock option exercises | $ 10,700,000 | $ 5,100,000 | $ 16,200,000 |
Cash used for shares withheld to satisfy employee tax obligations for RSUs and PRSUs converted | $ 6,200,000 | $ 5,900,000 | $ 5,700,000 |
Shares authorized for future grant under stock plan (in shares) | 4,000,000.0 |  |  |
Suspended plan description | This plan will be suspended beginning after the closing of the first quarter 2020 offering period pursuant to the merger agreement between Hexcel and Woodward. |  |  |
Non-qualified stock options |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Options vesting period | 3 years |  |  |
Options expiration period | 10 years |  |  |
Period of historical option activity considered to determine expected option life |  | 10 years |  |
Unrecognized compensation cost | $ 1,500,000 | $ 1,300,000 |  |
Non-qualified stock options | Minimum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Period over which unrecognized compensation costs will be recognized | 1 year |  |  |
Non-qualified stock options | Maximum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Period over which unrecognized compensation costs will be recognized | 3 years |  |  |
RSUs |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of shares outstanding | 425,472 | 500,000 | 500,000 | 500,000
Unrecognized compensation cost | $ 6,100,000 |  |  |
RSUs | Minimum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Period over which unrecognized compensation costs will be recognized | 1 year |  |  |
RSUs | Maximum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Period over which unrecognized compensation costs will be recognized | 3 years |  |  |
PRSUs |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of shares outstanding | 312,691 | 300,000 | 400,000 | 400,000
Unrecognized compensation cost | $ 2,100,000 |  |  |
Performance period | 3 years | 3 years | 3 years |
Shares authorized for issuance under stock plan | 3,300,000 |  |  |
PRSUs | Minimum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Period over which unrecognized compensation costs will be recognized | 1 year |  |  |
Performance period | 3 years |  |  |
PRSUs | Maximum |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Period over which unrecognized compensation costs will be recognized | 3 years |  |  |
Employee stock purchase plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Maximum contribution by eligible employees as percentage of base earnings (as a percent) | 10.00% |  |  |
Maximum contribution by eligible employees in a calendar year | $ 25,000 |  |  |
Common stock purchase price as percentage of fair market value (as a percent) | 85.00% |  |  |
Shares purchased under employee stock purchase plan (in shares) | 48,236 | 57,788 |  |

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- Definition The period of time, from the grant date until the time at which the share-based [option] award expires. + References No definition available. + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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