XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.22.2

Other Comprehensive Income (Loss) Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Other Comprehensive Income [Abstract] |  |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Changes in AOCI by component for the six months ended June 30, 2022 are summarized as follows, net of tax (dollars in thousands):
|  | Defined Benefit Plans |  | Derivative Instruments |  | Foreign Currency Translation |  | Total
Balance, December 31, 2021 |  | $ | (4,830) |  |  | $ | 5,910 |  |  | $ | (850) |  |  | $ | 230 |
Net unrealized gains (losses) arising during the period (a) |  | — |  |  | 11,670 |  |  | (17,770) |  |  | (6,100) |
Less: Net realized losses reclassified to net income (b) |  | (330) |  |  | — |  |  | — |  |  | (330) |
Net current-period other comprehensive income (loss) |  | 330 |  |  | 11,670 |  |  | (17,770) |  |  | (5,770) |
Balance, June 30, 2022 |  | $ | (4,500) |  |  | $ | 17,580 |  |  | $ | (18,620) |  |  | $ | (5,540) |
__________________________ (a) Derivative instruments, net of income tax of approximately $3.8 million. See Note 11, "Derivative Instruments," for further details. (b) Defined benefit plans, net of income tax of approximately $0.1 million. See Note 18, "Defined Benefit Plans," for further details. | Changes in AOCI by component for the six months ended June 30, 2021 are summarized as follows, net of tax (dollars in thousands):
|  | Defined Benefit Plans |  | Derivative Instruments |  | Foreign Currency Translation |  | Total
Balance, December 31, 2020 |  | $ | (8,620) |  |  | $ | (3,580) |  |  | $ | 6,580 |  |  | $ | (5,620) |
Net unrealized gains (losses) arising during the period (a) |  | — |  |  | 3,330 |  |  | (2,020) |  |  | 1,310 |
Less: Net realized losses reclassified to net income (b) |  | (310) |  |  | — |  |  | — |  |  | (310) |
Net current-period other comprehensive income (loss) |  | 310 |  |  | 3,330 |  |  | (2,020) |  |  | 1,620 |
Balance, June 30, 2021 |  | $ | (8,310) |  |  | $ | (250) |  |  | $ | 4,560 |  |  | $ | (4,000) |
__________________________ (a) Derivative instruments, net of income tax of approximately $1.1 million. See Note 11, "Derivative Instruments," for further details. (b) Defined benefit plans, net of income tax of approximately $0.1 million. See Note 18, "Defined Benefit Plans," for further details.

X
- Definition Other Comprehensive [Abstract] + References No definition available. + Details
Name: | trs_OtherComprehensiveIncomeAbstract
Namespace Prefix: | trs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration