Product Warranties (Details) $ in Millions	9 Months Ended
Sep. 30, 2023 USD ($)
Movement in Standard Product Warranty Accrual
Beginning balance standard product warranty accrual	$ 4.1
Acquired warranty reserve	34.0
Accrued warranty expense	1.7
Changes in estimates related to pre-existing warranties	(0.9)
Cost of warranty service work performed	(6.2)
Warranties transferred to held for sale	(0.3)
Foreign exchange translation effect	(0.6)
Ending balance standard product warranty accrual	$ 31.8

Standard Product Warranty Accrual, Cost Of Warranty Service Work Performed

No definition available.

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

- Definition

Standard Product Warranty Accrual, Transfers

+ References

No definition available.

+ Details

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

- 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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Data Type:	xbrli:stringItemType
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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (c)(5)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-8

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase in the standard product warranty accrual from a business acquisition. Excludes extended product warranties.

+ References

+ Details

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) the standard product warranty accrual. Excludes extended product warranties.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Amount of increase (decrease) in the standard product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes extended product warranties.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties.

+ References

+ Details

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Period Type:	duration