XML 50 R53.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Commitments and Contingencies - Asbestos Narrative (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 291 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2015
Minimum [Member] |  |
Loss Contingencies [Line Items] |  |
Estimated Time until Primary Insurance is Exhausted | 1 year |
Maximum [Member] |  |
Loss Contingencies [Line Items] |  |
Estimated Time until Primary Insurance is Exhausted | 2 years |
Asbestos [Member] |  |
Loss Contingencies [Line Items] |  |
Total settlement costs |  | $ 7.4 us-gaap_LitigationSettlementExpense / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember
Percentage of settlement and defense costs covered by insurance |  | 40.00%trs_PercentageOfSettlementAndDefenseCostsCoveredByInsurance / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember
Asbestos [Member] | Pending Litigation [Member] |  |
Loss Contingencies [Line Items] |  |
Number of pending cases | 1,074 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember | 1,074 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember
Number of pending claims | 7,733 us-gaap_LossContingencyNumberOfPlaintiffs / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember |
Number of pending claims seeking specific amounts of damages | 126 trs_LossContingencyNumberofPlaintiffsSpecifyingDamagesSought / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember | 126 trs_LossContingencyNumberofPlaintiffsSpecifyingDamagesSought / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_AsbestosIssueMember

X
- Definition Estimated Time until Primary Insurance is Exhausted + References No definition available. + Details
Name: | trs_EstimatedTimeuntilPrimaryInsuranceisExhausted
Namespace Prefix: | trs_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

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 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
- Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&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: | us-gaap_RangeAxis=us-gaap_MaximumMember
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: |