XML 103 R80.htm IDEA: XBRL DOCUMENT v2.4.1.9

Long-term Debt - Senior secured notes (Details) (Senior secured notes [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2012
Senior secured notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		9.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember
Extinguishment of Debt, Amount	$ 50.0us-gaap_ExtinguishmentOfDebtAmount / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember
Proceeds Used for Early Extinguishment of Debt	54.9trs_ProceedsUsedForEarlyExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember
Non-cash Debt Extinguishment Costs		8.1trs_NonCashDebtExtinguishmentCosts / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction		$ 35.7us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction / us-gaap_DebtInstrumentAxis = us-gaap_SeniorNotesMember

X

- Definition

The non-cash costs for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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Namespace Prefix:	trs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of proceeds from the issuance of common stock used for the early extinguishment of debt, including principal payment and call premium.

+ References

No definition available.

+ Details

Name:	trs_ProceedsUsedForEarlyExtinguishmentOfDebt
Namespace Prefix:	trs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

X

- Details

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

X

- Definition

The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration