XML 64 R66.htm IDEA: XBRL DOCUMENT
v3.20.1

Commitments and Contingencies Asbestos Narrative (Details) - Asbestos [Member] $ in Millions | 3 Months Ended | 351 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) claimants cases | Mar. 31, 2020 USD ($) claimants cases | Dec. 31, 2019 claimants | Dec. 31, 2018 claimants
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency, Pending Cases, Number | cases | 348 | 348 |  |
Loss Contingency, Pending Claims, Number | 4,719 | 4,719 | 4,759 | 4,820
Total settlement costs | $ |  | $ 9.7 |  |
Percentage of settlement and defense costs covered by insurance |  | 40.00% |  |
Punitive Only Damages [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency, Damages Sought, Value | $ | $ 5.0 |  |  |
Number of pending claims seeking specific amounts of damages | 1 | 1 |  |
Compensatory Only Damages [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of pending claims seeking specific amounts of damages | 55 | 55 |  |

X
- Definition Loss Contingency, Number of Plaintiffs Specifying Damages Sought + References No definition available. + Details
Name: | trs_LossContingencyNumberofPlaintiffsSpecifyingDamagesSought
Namespace Prefix: | trs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of pending cases related to a loss contingency + References No definition available. + Details
Name: | trs_LossContingencyPendingCasesNumber
Namespace Prefix: | trs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of Settlement and Defense Costs Covered by Insurance + References No definition available. + Details
Name: | trs_PercentageOfSettlementAndDefenseCostsCoveredByInsurance
Namespace Prefix: | trs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_AsbestosIssueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | trs_DamagesSoughtTypeAxis=trs_PunitiveOnlyDamagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | trs_DamagesSoughtTypeAxis=trs_CompensatoryOnlyDamagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |