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Business Combinations Contingent Consideration (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Business Combination, Contingent Consideration, Liability, Beginning Balance		$ 1,074
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration Recorded in Income, Liability	$ 61	(463)
Payment of contingent consideration		(611)	$ (741)
Business Combination, Contingent Consideration, Liability, Ending Balance		0
Minimum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment		0
Maximum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment		$ 1,648

X

- Definition

Payment of contingent consideration.

+ References

No definition available.

+ Details

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Namespace Prefix:	gtls_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 50



-Paragraph 4



-Subparagraph (a)(1)



-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
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X

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 50



-Paragraph 1



-Subparagraph (c)(3)



-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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Namespace Prefix:	us-gaap_
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X

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 35



-Paragraph 1



-Subparagraph b



-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 30



-Section 25



-Paragraph 6



-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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