XML 57 R43.htm IDEA: XBRL DOCUMENT
v3.20.4

Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Loss Contingencies by Contingency | The following chart summarizes the number of claims, number of claims filed, number of claims dismissed, number of claims settled, the average settlement amount per claim and the total defense costs, at the applicable date and for the applicable periods:
|  | Claims pending at beginning of period |  | Claims filed during period |  | Claims dismissed during period |  | Claims settled during period |  | Claims pending at end of period |  | Average settlement amount per claim during period |  | Total defense costs during period
Fiscal year ended December 31, 2020 |  | 4,759 |  |  | 219 |  |  | 287 |  |  | 36 |  |  | 4,655 |  |  | $ | 18,314 |  |  | $ | 2,130,000 |
Fiscal year ended December 31, 2019 |  | 4,820 |  |  | 143 |  |  | 172 |  |  | 32 |  |  | 4,759 |  |  | $ | 16,616 |  |  | $ | 2,250,000 |
Fiscal year ended December 31, 2018 |  | 5,256 |  |  | 171 |  |  | 564 |  |  | 43 |  |  | 4,820 |  |  | $ | 7,191 |  |  | $ | 2,260,000 |
Schedule of Damages Sought for Specific Claims | Below is a breakdown of the compensatory damages sought for those claims seeking specific amounts:
|  |  | Compensatory |  |
Range of damages sought (in millions) |  |  |  |  |  |  | $0.0 to $0.6 |  | $0.6 to $5.0 |  | $5.0+ |  |
Number of claims |  |  |  |  |  |  | — |  | 6 |  | 34 |  |

X
- Definition Schedule of Damages Sought for Specific Claims [Table Text Block] + References No definition available. + Details
Name: | trs_ScheduleOfDamagesSoughtForSpecificClaimsTableTextBlock
Namespace Prefix: | trs_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14472-108349 Reference 2: 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=121557415&loc=d3e14326-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14453-108349 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12021-110248 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14394-108349 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12053-110248 + Details
Name: | us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration