XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.20.2

Goodwill and Other Intangible Assets Goodwill Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
Goodwill [Line Items] |  |  |  |
Goodwill | $ 251,870,000 | $ 251,870,000 |  | $ 334,640,000
Goodwill, Impairment Loss |  | 126,840,000 |  |
Aerospace Fasteners Reporting Unit [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 62,900,000 | 62,900,000 |  |
Aerospace Engineered Products Reporting Unit [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 0 | 0 | $ 12,700,000 |
Aerospace [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | $ 62,850,000 | 62,850,000 |  | $ 133,690,000
Goodwill, Impairment Loss |  | $ 126,840,000 |  |
Goodwill [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Change in discount rate | 1.00% | 1.00% |  |
Change in terminal growth rate | 0.50% | 0.50% |  |
Change in goodwill impairment due to change in discount rate | $ 20,000,000 | $ 20,000,000 |  |
Change in goodwill impairment due to change in terminal rate | 5,000,000 | $ 5,000,000 |  |
Goodwill [Member] | Aerospace [Member] | Aerospace Fasteners Reporting Unit [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Impairment Loss | 70,800,000 |  |  |
Goodwill [Member] | Aerospace [Member] | Aerospace Engineered Products Reporting Unit [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Impairment Loss | $ 56,000,000.0 |  |  |

X
- Definition Change in discount rate + References No definition available. + Details
Name: | trs_ChangeInDiscountRate
Namespace Prefix: | trs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Change in goodwill impairment due to change in discount rate + References No definition available. + Details
Name: | trs_ChangeInGoodwillImpairmentDueToChangeInDiscountRate
Namespace Prefix: | trs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Change in goodwill impairment due to change in terminal rate + References No definition available. + Details
Name: | trs_ChangeInGoodwillImpairmentDueToChangeInTerminalRate
Namespace Prefix: | trs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Change in terminal growth rate + References No definition available. + Details
Name: | trs_ChangeInTerminalGrowthRate
Namespace Prefix: | trs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 Reference 2: 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 http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ReportingUnitAxis=trs_AerospaceFastenersReportingUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ReportingUnitAxis=trs_AerospaceEngineeredProductsReportingUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | trs_QuantitativeImpairmentTestAxis=us-gaap_GoodwillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |