XML 46 R56.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Long-term Debt - Senior secured notes (Details) (Senior secured notes [Member], USD $) In Millions, unless otherwise specified | 6 Months Ended |  |  | 6 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2012 Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2011 Fair Value, Inputs, Level 2 [Member] | Jun. 30, 2012 Issuance of Equity [Member]
Debt Instrument [Line Items] |  |  |  |
Proceeds Used for Early Extinguishment of Debt |  |  |  | $ 54.9
Extinguishment of Debt, Amount | 50.0 |  |  |
Long-term Debt, Redemption Price, % of principal amount | 109.75% |  |  |
Non-cash Debt Extinguishment Costs | $ 1.7 |  |  |
Long-term Debt, Fair Value, % of par value |  | 110.00% | 108.50% |

X
- Definition The fair value of long-term debt presented as a % of par value. + References No definition available. + Details
Name: | trs_LongTermDebtFairValueOfParValue
Namespace Prefix: | trs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The redemption price as a percentage of principal amount of long term debt extinguished. + References No definition available. + Details
Name: | trs_LongTermDebtRedemptionPriceOfPrincipalAmount
Namespace Prefix: | trs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration