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Business Combinations Hudson Products (Details) $ in Thousands	Jun. 30, 2017 USD ($)
Hudson Products [Member]
Business Acquisition [Line Items]
Business Combination, Estimated Consideration To Be Transferred	$ 410,000

X

- Definition

Business Combination, Estimated Consideration To Be Transferred

+ References

No definition available.

+ Details

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Namespace Prefix:	gtls_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=gtls_HudsonProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: