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Other Long-term Liabilities Other Long-term Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Asbestos-related liability noncurrent	$ 21,610	$ 25,210
Other long-term liabilities other than asbestos liability	28,670	33,820
Other Liabilities, Noncurrent	$ 50,280	$ 59,030

X

- Definition

Asbestos-related liability noncurrent portion

+ References

No definition available.

+ Details

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Namespace Prefix:	trs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Other long-term liabilities other than asbestos liability

+ References

No definition available.

+ Details

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Namespace Prefix:	trs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_OtherLiabilitiesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

+ 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 210.5-02.24)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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