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Debt And Credit Arrangements Convertible Notes (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Debt Instrument [Line Items] |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 84.96 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 |  |
Current convertible notes | $ 0 us-gaap_ConvertibleDebtCurrent | $ 193,437,000 us-gaap_ConvertibleDebtCurrent |
Interest accretion of convertible notes discount | 10,662,000 us-gaap_AmortizationOfDebtDiscountPremium | 9,854,000 us-gaap_AmortizationOfDebtDiscountPremium | 9,109,000 us-gaap_AmortizationOfDebtDiscountPremium
Amortization of Financing Costs | 1,392,000 us-gaap_AmortizationOfFinancingCosts | 1,306,000 us-gaap_AmortizationOfFinancingCosts | 1,530,000 us-gaap_AmortizationOfFinancingCosts
Convertible Debt [Member] | Convertible Notes, Due 2018 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Face Amount | 250,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Instrument, Interest Rate, Effective Percentage | 7.90%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Number Of Shares Of Convertible Debt Hedged And Capped Call | 3,622 gtls_NumberOfSharesOfConvertibleDebtHedgedAndCappedCall / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 84.96 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Proceeds from Issuance of Warrants | 48,848,000 us-gaap_ProceedsFromIssuanceOfWarrants / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Net Cost Of Convertible Note Hedge And All Capped Transactions | 17,638,000 gtls_NetCostOfConvertibleNoteHedgeAndAllCappedTransactions / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Convertible Debt, Noncurrent | 204,099,000 us-gaap_ConvertibleDebtNoncurrent / 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 |
Debt Instrument, Unamortized Discount | 45,901,000 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 56,563,000 us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
Interest Expense, Debt | 15,662,000 us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 14,854,000 us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 14,109,000 us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Interest accretion of convertible notes discount | 10,662,000 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 9,854,000 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 9,109,000 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Debt Issuance Cost | 7,277,000 us-gaap_DebtIssuanceCosts / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger | 130.00%us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Instrument, Convertible, Conversion Price | $ 69.03 us-gaap_DebtInstrumentConvertibleConversionPrice1 / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Convertible Notes Principal Amount Denominator For Trading Price | 1,000 gtls_ConvertibleNotesPrincipalAmountDenominatorForTradingPrice / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Maximum Allowable Percentage Of The Product Of Last Reported Sale Price of Common Stock And Conversion Rate For Convertible Notes Payable | 97.00%gtls_MaximumAllowablePercentageOfProductOfLastReportedSalePriceOfCommonStockAndConversionRateForConvertibleNotesPayable / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Percent Of The Principal Amount Of The Convertible Notes Plus Accrued Interest To Be Purchased By The Company Subject Company Undergoing A Fundamental Change | 100.00%gtls_PercentOfPrincipalAmountOfConvertibleNotesPlusAccruedInterestToBePurchasedByCompanySubjectCompanyUndergoingFundamentalChange / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days | 20 days |  |
Debt Instrument, Convertible, Threshold Trading Days | 30 us-gaap_DebtInstrumentConvertibleThresholdTradingDays / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Maximum days after any five trading day period in which trading price was less than 97 percent of last reported sale price | 5 days |  |
Debt Instrument, Fair Value Disclosure, Narrative | The fair value of the Convertible Notes was approximately 95% of their par value as of December 31, 2014 and approximately 154% of their par value as of December 31, 2013. The Convertible Notes are actively quoted instruments and, accordingly, the fair value of the Convertible Notes was determined using Level 1 inputs as defined in Note 10. |  |
Interest Expense, Debt, Excluding Amortization | 5,000,000 us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 5,000,000 us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 5,000,000 us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Amortization of Financing Costs | 711,000 us-gaap_AmortizationOfFinancingCosts / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 711,000 us-gaap_AmortizationOfFinancingCosts / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 711,000 us-gaap_AmortizationOfFinancingCosts / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Convertible Debt [Member] | Convertible Notes, Due 2018 [Member] | Liability Component [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Face Amount | 170,885,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / gtls_DebtwithConversionandOtherOptionsAxis = gtls_LiabilityComponentMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Issuance Cost | 4,974,000 us-gaap_DebtIssuanceCosts / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / gtls_DebtwithConversionandOtherOptionsAxis = gtls_LiabilityComponentMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Convertible Debt [Member] | Convertible Notes, Due 2018 [Member] | Equity Component [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Face Amount | 79,115,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / gtls_DebtwithConversionandOtherOptionsAxis = gtls_EquityComponentMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |
Debt Issuance Cost | $ 2,303,000 us-gaap_DebtIssuanceCosts / us-gaap_DebtInstrumentAxis = gtls_ConvertibleNotesDue2018Member / gtls_DebtwithConversionandOtherOptionsAxis = gtls_EquityComponentMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |

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- Definition Maximum Allowable Percentage Of The Product Of Last Reported Sale Price of Common Stock And Conversion Rate For Convertible Notes Payable + References No definition available. + Details
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- Definition Maximum days after any five trading day period in which trading price was less than 97 percent of last reported sale price + References No definition available. + Details
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- Definition Net Cost Of Convertible Note Hedge And All Capped Transactions + References No definition available. + Details
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- Definition Number Of Shares Of Convertible Debt Hedged And Capped Call + References No definition available. + Details
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- Definition Percent Of The Principal Amount Of The Convertible Notes Plus Accrued Interest To Be Purchased By The Company Subject Company Undergoing A Fundamental Change + References No definition available. + Details
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
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- Definition The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20 -Article 5 + Details
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- Definition Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock. + References Reference 1: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: 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
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- 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
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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