XML 74 R60.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, accumulated amortization | $ (155,490) | $ (135,580)
Total finite and indefinite-lived other intangible assets, gross carrying amount | 349,710 | 349,500
Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 206,140 | 205,800
Finite-lived intangible assets, accumulated amortization | (92,880) | (78,170)
Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 100,640 | 100,770
Finite-lived intangible assets, accumulated amortization | (62,610) | (57,410)
Trademarks and Trade Names [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Indefinite-lived intangible assets, gross carrying amount | 42,930 | 42,930
Useful Life Five to Twelve Years [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 73,910 | 73,570
Finite-lived intangible assets, accumulated amortization | (41,000) | (33,200)
Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 132,230 | 132,230
Finite-lived intangible assets, accumulated amortization | (51,880) | (44,970)
Useful Life One to Fifteen Years [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 57,340 | 57,470
Finite-lived intangible assets, accumulated amortization | (29,120) | (26,040)
Useful Life Seventeen to Thirty Years [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 43,300 | 43,300
Finite-lived intangible assets, accumulated amortization | $ (33,490) | $ (31,370)
Minimum [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 1 year |
Minimum [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 5 years |
Minimum [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 1 year |
Minimum [Member] | Useful Life Five to Twelve Years [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 5 years |
Minimum [Member] | Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 15 years |
Minimum [Member] | Useful Life One to Fifteen Years [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 1 year |
Minimum [Member] | Useful Life Seventeen to Thirty Years [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 17 years |
Maximum [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 30 years |
Maximum [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 25 years |
Maximum [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 30 years |
Maximum [Member] | Useful Life Five to Twelve Years [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 12 years |
Maximum [Member] | Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 25 years |
Maximum [Member] | Useful Life One to Fifteen Years [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 15 years |
Maximum [Member] | Useful Life Seventeen to Thirty Years [Member] | Technology and Other [Member] |  |
Intangible Assets, excluding Goodwill [Line Items] |  |
Finite-Lived Intangible Assets, Useful Life | 30 years |

X
- Definition All other Intangible Assets, excluding Goodwill + References No definition available. + Details
Name: | trs_IntangibleAssetsExcludingGoodwillLineItems
Namespace Prefix: | trs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total gross carrying amount as of the balance sheet date of other intangible assets, excluding goodwill. + References No definition available. + Details
Name: | trs_TotalOtherIntangibleAssetsGross
Namespace Prefix: | trs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=trs_TechnologyAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | trs_FiniteLivedIntangibleAssetsByUsefulLifeAxis=trs_UsefulLifeFiveToTwelveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | trs_FiniteLivedIntangibleAssetsByUsefulLifeAxis=trs_UsefulLifeFifteenToTwentyfiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | trs_FiniteLivedIntangibleAssetsByUsefulLifeAxis=trs_UsefulLifeOneToFifteenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | trs_FiniteLivedIntangibleAssetsByUsefulLifeAxis=trs_UsefulLifeSeventeenToThirtyYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |