XML 100 R71.htm IDEA: XBRL DOCUMENT
v3.22.4

Note 8. Debt (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |
Loss on extinguishment of debt | $ 1.5 | $ 11.7 | $ 5.0 |  |
Payment for Debt Extinguishment or Debt Prepayment Cost |  | 3.3 |  |  |
Write off of Deferred Debt Issuance Cost |  | 8.4 |  |  |
Corporate Segment [Member] | Senior Notes [Member] | 4.55% Senior Notes Due October 2024 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.55% |  |  |  |
Debt Instrument, Face Amount | $ 400.0 |  |  |  |
Revolving Credit Facility [Member] | Corporate Segment [Member] | Line of Credit [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity | 450.0 |  |  |  |
Proceeds from Lines of Credit | 785.0 |  |  |  |
Repayments of Lines of Credit | 560.0 |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity | 208.2 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 208.2 |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.15% |  |  |  |
Line of Credit Facility, Interest Rate at Period End | 0.25% |  |  |  |
Revolving Credit Facility [Member] | Corporate Segment [Member] | Line of Credit [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End | 0.175% |  |  |  |
Revolving Credit Facility [Member] | Corporate Segment [Member] | Line of Credit [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End | 0.40% |  |  |  |
Letter of Credit [Member] | Corporate Segment [Member] | Line of Credit [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letters of Credit Outstanding, Amount | $ 16.8 |  |  |  |
Partially-Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 38.00% |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | 2009 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Non-Recourse Debt, Gross | $ 115.8 | 128.5 |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | 2010 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Non-Recourse Debt, Gross | $ 204.1 | 220.6 |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2009 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.66% |  |  |  |
Debt Instrument, Face Amount | $ 238.3 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2010 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.19% |  |  |  |
Debt Instrument, Face Amount | $ 369.2 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2018 Secured Railcar Equipment Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | $ 482.5 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2018 Class A-1 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.82% |  |  |  |
Debt Instrument, Face Amount | $ 200.0 |  |  |  |
Extinguishment of Debt, Amount |  |  | $ 153.1 |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2018 Class A-2 Secured Railcar Equipment Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.62% |  |  |  |
Debt Instrument, Face Amount | $ 282.5 |  |  |  |
Non-Recourse Debt, Gross | $ 282.5 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2018 Class A 2020-1 Secured Railcar Equipment Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.96% |  |  |  |
Debt Instrument, Face Amount | $ 155.5 |  |  |  |
Non-Recourse Debt, Gross | $ 116.5 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2019 Secured Railcar Equipment Notes [Domain] [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.82% |  |  |  |
Debt Instrument, Face Amount | $ 528.3 |  |  |  |
Non-Recourse Debt, Gross | 447.4 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | Trinity Rail Leasing 2019 [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Face Amount | $ 386.5 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2019 Secured Railcar Equipment Notes Class A1 Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.39% |  |  |  |
Debt Instrument, Face Amount | $ 106.9 |  |  |  |
Non-Recourse Debt, Gross | $ 59.2 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2019 Secured Railcar Equipment Notes Class A2 Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.10% |  |  |  |
Debt Instrument, Face Amount | $ 279.6 |  |  |  |
Non-Recourse Debt, Gross | $ 279.6 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2020 Secured Railcar Equipment Notes Class A1 Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.83% |  |  |  |
Debt Instrument, Face Amount | $ 110.0 |  |  |  |
Non-Recourse Debt, Gross | $ 69.6 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2020 Secured Railcar Equipment Notes Class A2 Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.56% |  |  |  |
Debt Instrument, Face Amount | $ 240.3 |  |  |  |
Non-Recourse Debt, Gross | $ 240.3 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | 2020 Secured Railcar Equipment Notes Class B Notes [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.69% |  |  |  |
Debt Instrument, Face Amount | $ 20.5 |  |  |  |
Non-Recourse Debt, Gross | $ 20.5 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | TRL-2021 Series 2021-1 Class A Green Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.26% |  |  |  |
Debt Instrument, Face Amount | $ 305.2 |  |  |  |
Non-Recourse Debt, Gross | $ 287.9 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | TRL-2021 Series 2021-1 Class B Green Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.08% |  |  |  |
Debt Instrument, Face Amount | $ 19.8 |  |  |  |
Non-Recourse Debt, Gross | $ 19.8 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | TRL-2022 Series 2022-1 Class A Green Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.55% |  |  |  |
Debt Instrument, Face Amount | $ 244.8 |  |  |  |
Non-Recourse Debt, Gross | 241.1 |  |  |  |
Payments of Debt Issuance Costs | 2.6 |  |  |  |
Proceeds from Issuance of Debt | $ 209.9 |  |  |  |
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Promissory Notes [Member] | 2017 Secured Railcar Equipment Notes [Member] [Domain] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.50% |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 5.88% |  |  |  |
Debt Instrument, Face Amount | $ 225.0 |  |  | $ 663.0 | $ 302.4
Non-Recourse Debt, Gross | 721.6 |  |  |  |
TILC [Member] | Revolving Credit Facility [Member] | Railcar Leasing and Management Services Group [Member] | Line of Credit [Member] | TILC Warehouse Facility [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity | 278.2 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 110.1 |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.09% |  |  |  |
Debt Instrument, Face Amount | $ 1,000.0 |  |  |  |
Borrowings on Warehouse Loan Facility | 652.1 |  |  |  |
Repayments on Warehouse Loan Facility | $ 492.1 |  |  |  |
TRIP Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | Triumph Rail Class A Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.15% |  |  |  |
Debt Instrument, Face Amount | $ 535.0 |  |  |  |
Non-Recourse Debt, Gross | $ 497.8 |  |  |  |
TRIP Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | Triumph Rail Class B Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.08% |  |  |  |
Debt Instrument, Face Amount | $ 25.4 |  |  |  |
Non-Recourse Debt, Gross | 25.4 |  |  |  |
TRIP Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | TRIP Railcar Co Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Lines of Credit |  | $ 329.6 |  |  |
Extinguishment of Debt, Amount | $ 319.4 |  |  |  |
TRIP Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | Tribute Rail Class A Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.76% |  |  |  |
Debt Instrument, Face Amount | $ 290.0 |  |  |  |
Non-Recourse Debt, Gross | $ 285.7 |  |  |  |
TRIP Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | Tribute Rail Class B Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.75% |  |  |  |
Debt Instrument, Face Amount | $ 37.0 |  |  |  |
Non-Recourse Debt, Gross | 37.0 |  |  |  |
TRIP Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | Tribute Rail Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Payments of Debt Issuance Costs | $ 3.4 |  |  |  |
RIV 2013 Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | TRP-2021 Class A Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.07% |  |  |  |
Debt Instrument, Face Amount | $ 334.0 |  |  |  |
Non-Recourse Debt, Gross | $ 326.0 |  |  |  |
RIV 2013 Holdings | Railcar Leasing and Management Services Group [Member] | Secured Debt [Member] | TRP 2021 Class B Secured Railcar Equipment Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.06% |  |  |  |
Debt Instrument, Face Amount | $ 21.0 |  |  |  |
Non-Recourse Debt, Gross | $ 21.0 |  |  |  |

X
- Definition Borrowings on Warehouse Loan Facility + References No definition available. + Details
Name: | trn_BorrowingsonWarehouseLoanFacility
Namespace Prefix: | trn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Non-Recourse Debt, Gross + References No definition available. + Details
Name: | trn_NonRecourseDebtGross
Namespace Prefix: | trn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Repayments on Warehouse Loan Facility + References No definition available. + Details
Name: | trn_RepaymentsonWarehouseLoanFacility
Namespace Prefix: | trn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126972273&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126972273&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtExtinguishmentCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
Name: | us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
Name: | us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A4.55SeniorNotesDueOctober2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=trn_PartiallyOwnedSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=trn_RailcarLeasingAndManagementServicesGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=trn_WhollyOwnedSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2009SecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2010SecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2018SecuredRailcarEquipmentNotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2018ClassA1SecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2018ClassA2SecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2018ClassA20201SecuredRailcarEquipmentNotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2019SecuredRailcarEquipmentNotesDomainDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A20192SecuredRailcarEquipmentNotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2019SecuredRailcarEquipmentNotesClassA1NotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2019SecuredRailcarEquipmentNotesClassA2NotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2020SecuredRailcarEquipmentNotesClassA1NotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2020SecuredRailcarEquipmentNotesClassA2NotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2020SecuredRailcarEquipmentNotesClassBNotesDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TRL2021Series20211ClassAGreenSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TRL2021Series20211ClassBGreenSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TRL2022Series20221ClassAGreenSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=trn_PromissoryNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_A2017SecuredRailcarEquipmentNotesMemberDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=trn_TILCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TilcWarehouseFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=trn_TripHoldingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TriumphRailClassASecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TriumphRailClassBSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TRIPRailcarCoTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TributeRailClassASecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TributeRailClassBSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TributeRailSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=trn_RIV2013HoldingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TRP2021ClassASecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=trn_TRP2021ClassBSecuredRailcarEquipmentNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |