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Debt And Credit Arrangements Summary of Outstanding Borrowings (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Short-term debt | $ 4,903,000 us-gaap_ShortTermBorrowings | $ 3,280,000 us-gaap_ShortTermBorrowings |
Debt, Long-term and Short-term, Combined Amount | 209,002,000 us-gaap_DebtLongtermAndShorttermCombinedAmount | 265,155,000 us-gaap_DebtLongtermAndShorttermCombinedAmount |
Current Maturities Of Long Term Debt Including Short Term Debt | 4,903,000 gtls_CurrentMaturitiesOfLongTermDebtIncludingShortTermDebt | 200,467,000 gtls_CurrentMaturitiesOfLongTermDebtIncludingShortTermDebt | [1]
Long-term Debt, Excluding Current Maturities | 204,099,000 us-gaap_LongTermDebtNoncurrent | 64,688,000 us-gaap_LongTermDebtNoncurrent |
Current convertible notes | 0 us-gaap_ConvertibleDebtCurrent | 193,437,000 us-gaap_ConvertibleDebtCurrent |
Foreign Facilities [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Short-term debt | 4,903,000 us-gaap_ShortTermBorrowings / us-gaap_DebtInstrumentAxis = gtls_ForeignFacilitiesMember | 3,280,000 us-gaap_ShortTermBorrowings / us-gaap_DebtInstrumentAxis = gtls_ForeignFacilitiesMember |
Convertible Debt [Member] | Convertible Notes, Due 2018 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross | 204,099,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 193,437,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
Current convertible notes |  | 193,437,000 us-gaap_ConvertibleDebtCurrent / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
Secured Debt [Member] | Senior Secured Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross | 0 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = gtls_SeniorSecuredRevolvingCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |
Secured Debt [Member] | Prior Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 68,438,000 us-gaap_DebtInstrumentCarryingAmount / us-gaap_DebtInstrumentAxis = gtls_PriorCreditFacilityMember / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |
[1] | Current maturities included $193,437 current convertible notes at December 31, 2013.

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