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Business Combinations Wuxi Acquisition (Details)
Mar. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
May 27, 2014
Wuxi [Member]
USD ($)
May 27, 2014
Wuxi [Member]
CNY
Business Acquisition [Line Items]        
Business Acquisition, Percentage of Voting Interests Acquired     100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= gtls_WuxiMember
100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= gtls_WuxiMember
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net     $ 11,943,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= gtls_WuxiMember
73,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= gtls_WuxiMember
Business Acquisition, Fair Value Of Net Assets Acquired Excluding Goodwill       15,600,000gtls_BusinessAcquisitionFairValueOfNetAssetsAcquiredExcludingGoodwill
/ us-gaap_BusinessAcquisitionAxis
= gtls_WuxiMember
Goodwill $ 403,260,000us-gaap_Goodwill $ 405,522,000us-gaap_Goodwill   57,700,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= gtls_WuxiMember