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Market Risks and Derivative Hedge Contracts (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Derivatives, Fair Value [Line Items] |  |
Total | $ (109,000)us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue | $ (174,000)us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Derivative [Line Items] |  |
Net gains associated with foreign currency derivatives | 540,000 us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments |
Forward Sale Contract, Euro [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 1,176,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardSaleContractEuroMember |
Traded exchange rate | 1.07 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardSaleContractEuroMember |
Value date | Apr. 20, 2015 |
Forward Purchase Contract, Pounds Sterling [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 2,831,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractPoundsSterlingMember |
Traded exchange rate | 1.48 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractPoundsSterlingMember |
Value date | Apr. 20, 2015 |
Forward Purchase Contract, Brazil Real [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 2,044,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractBrazilRealMember |
Traded exchange rate | 3.21 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractBrazilRealMember |
Value date | Apr. 20, 2015 |
Forward Purchase Contract, Canadian Dollar [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 6,126,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractCanadianDollarMember |
Traded exchange rate | 1.27 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractCanadianDollarMember |
Value date | Apr. 20, 2015 |
Forward Sale Contract, Mexican Pesos [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 8,289,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardSaleContractMexicanPesosMember |
Traded exchange rate | 15.26 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardSaleContractMexicanPesosMember |
Value date | Apr. 20, 2015 |
Forward Purchase Contract, Norwegian Kroner [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 1,411,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractNorwegianKronerMember |
Traded exchange rate | 8.06 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractNorwegianKronerMember |
Value date | Apr. 20, 2015 |
Forward Purchase Contract, Canadian Dollar (2) [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 1,400,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractCanadianDollar2Member |
Traded exchange rate | 1.27 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractCanadianDollar2Member |
Value date | Apr. 20, 2015 |
Forward Purchase Contract, Mexican Pesos [Member] |  |
Derivative [Line Items] |  |
U.S. Dollar notional amount | 915,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractMexicanPesosMember |
Traded exchange rate | 15.26 us-gaap_DerivativeForwardExchangeRate1 / us-gaap_DerivativeByNatureAxis = tti_ForwardPurchaseContractMexicanPesosMember |
Value date | Apr. 20, 2015 |
Current Assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Forward purchase contracts | 13,000 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentAssetsMember | 0 us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentAssetsMember
Forward sale contracts | 91,000 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentAssetsMember | 0 us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentAssetsMember
Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Forward purchase contracts | (198,000)us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember | (83,000)us-gaap_DerivativeFairValueOfDerivativeAsset / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember
Forward sale contracts | $ (15,000)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember | $ (91,000)us-gaap_DerivativeAssetFairValueGrossLiability / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherLiabilitiesMember

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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