Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets - Narrative (Details) (Energy Reporting Unit [Member])	3 Months Ended
Sep. 30, 2014 Rate
Energy Reporting Unit [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Valuation Method, Weighting Percentage Used, Income-Based Approach	75.00%
Fair Value Inputs, Valuation Method, Weighting Percentage Used, Market-Based Approach	25.00%
Fair Value Inputs, Discount Rate	13.00%
Fair Value Inputs, Long-term Revenue Growth Rate	3.00%
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	20.00%
Sensitivity Analysis, Fair Value, Goodwill, Impact of 1 Percent Change in Long Term Revenue Growth Rate	1.00%
Sensitivity Analysis of Fair Value, Goodwill, Impact of 1 Percent Change in Discount Rate	1.00%

Fair Value Inputs, Valuation Method, Weighting Percentage Used, Income-Based Approach

No definition available.

Name:	trs_FairValueInputsValuationMethodWeightingPercentageUsedIncomeBasedApproach
Namespace Prefix:	trs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair Value Inputs, Valuation Method, Weighting Percentage Used, Market-Based Approach

+ References

No definition available.

+ Details

Name:	trs_FairValueInputsValuationMethodWeightingPercentageUsedMarketBasedApproach
Namespace Prefix:	trs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Sensitivity Analysis of Fair Value, Goodwill, Impact of 1 Percent Change in Long Term Revenue Growth Rate

+ References

No definition available.

+ Details

Name:	trs_SensitivityAnalysisFairValueGoodwillImpactof1PercentChangeinLongTermRevenueGrowthRate
Namespace Prefix:	trs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Sensitivity Analysis of Fair Value, Goodwill, Impact of 1 Percent Change in Discount Rate

+ References

No definition available.

+ Details

Name:	trs_SensitivityAnalysisofFairValueGoodwillImpactof1PercentChangeinDiscountRate
Namespace Prefix:	trs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueInputsDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

+ Details

Name:	us-gaap_FairValueInputsLongTermRevenueGrowthRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

+ References

No definition available.

+ Details

Name:	us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant