XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.20.2

Net Income (Loss) Per Common Share - Additional Information (Details) - $ / shares |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Apr. 06, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Earnings Per Share [Abstract] |  |  |  |
Anti-dilutive securities excluded from computation of earnings per share amount (in shares) |  | 100,000 | 800,000 | 200,000
Dividend Declared |  |  |  |
Earnings Per Share [Line Items] |  |  |  |
Dividends payable, date declared | Apr. 06, 2020 |  |  |
Number of preferred share purchase right declared as divided per common stock | 1 |  |  |
Dividends payable,record date | Apr. 16, 2020 |  |  |
Maximum percentage of common stock acquisition allowed by board of directors under rights plan | 15.00% |  |  |
Number of days after public announcement rights exercisable for acquiring person | 10 days |  |  |
Rights expiration date | Apr. 06, 2021 |  |  |
Dividend Declared | Series A Junior Participating Preferred Stock |  |  |  |
Earnings Per Share [Line Items] |  |  |  |
Exercise price of rights | $ 150.00 |  |  |

X
- Definition Earnings per share. + References No definition available. + Details
Name: | hxl_EarningsPerShareLineItems
Namespace Prefix: | hxl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of common stock acquisition allowed by board of directors under rights plan. + References No definition available. + Details
Name: | hxl_MaximumPercentageOfCommonStockAcquisitionAllowedByBoardOfDirectorsUnderRightsPlan
Namespace Prefix: | hxl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of days after public announcement rights exercisable for acquiring person. + References No definition available. + Details
Name: | hxl_NumberOfDaysAfterPublicAnnouncementRightsExercisableForAcquiringPerson
Namespace Prefix: | hxl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of preferred share purchase right declared as divided per common stock. + References No definition available. + Details
Name: | hxl_NumberOfPreferredSharePurchaseRightDeclaredAsDividedPerCommonStock
Namespace Prefix: | hxl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DividendsAxis=us-gaap_DividendDeclaredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=hxl_SeriesAJuniorParticipatingPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |