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Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of goodwill by segment
The following table represents the changes in goodwill by segment:
Cryo Tank SolutionsHeat Transfer SystemsSpecialty ProductsRepair, Service & LeasingConsolidated
Balance at December 31, 2020$93.2 $435.2 $172.4 $165.1 $865.9 
Goodwill acquired during the period (1) (2)
— 2.9 82.1 10.1 95.1 
Foreign currency translation adjustments and other(6.1)(3.3)0.2 — (9.2)
Purchase price adjustments (3)
— — 0.9 — 0.9 
Balance at September 30, 2021$87.1 $434.8 $255.6 $175.2 $952.7 
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(1)For further information regarding goodwill acquired and the purchase price adjustments during the period refer to Note 11, “Business Combinations.”
(2)Goodwill acquired during the period for the L.A. Turbine acquisition of $42.1 was allocated to certain reporting units as follows: $2.9 - Heat Transfer Systems, $29.1 - Specialty Products and $10.1 - Repair Service & Leasing. Goodwill acquired during the period for the Cryogenic Gas Technologies, Inc. and AdEdge Holdings, LLC acquisitions was $34.1 and $18.9, respectively and is included in the Specialty Products segment.
(3)During the first nine months of 2021, we recorded purchase price adjustments that increased goodwill by $0.9 in Specialty Products related to the Blue-In-Green, LLC acquisition.
Schedule of finite-lived intangible assets
The following table displays the gross carrying amount and accumulated amortization for finite-lived intangible assets and indefinite-lived intangible assets (exclusive of goodwill) (1):
 September 30, 2021December 31, 2020
 Weighted-average Estimated Useful LifeGross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Finite-lived intangible assets:
Customer relationships13 years$317.5 $(76.7)$302.5 $(59.9)
Unpatented technology13 years151.2 (27.0)110.4 (22.3)
Patents and other5 years7.8 (1.1)8.4 (1.8)
Trademarks and trade names13 years3.5 (1.7)3.6 (1.4)
Land use rights50 years11.2 (1.6)11.1 (1.4)
Total finite-lived intangible assets14 years491.2 (108.1)436.0 (86.8)
Indefinite-lived intangible assets:
Trademarks and trade names154.9 — 143.9 — 
Total intangible assets$646.1 $(108.1)$579.9 $(86.8)
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(1)Amounts include the impact of foreign currency translation. Fully amortized or impaired amounts are written off.
Schedule of indefinite-lived intangible assets
The following table displays the gross carrying amount and accumulated amortization for finite-lived intangible assets and indefinite-lived intangible assets (exclusive of goodwill) (1):
 September 30, 2021December 31, 2020
 Weighted-average Estimated Useful LifeGross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
Finite-lived intangible assets:
Customer relationships13 years$317.5 $(76.7)$302.5 $(59.9)
Unpatented technology13 years151.2 (27.0)110.4 (22.3)
Patents and other5 years7.8 (1.1)8.4 (1.8)
Trademarks and trade names13 years3.5 (1.7)3.6 (1.4)
Land use rights50 years11.2 (1.6)11.1 (1.4)
Total finite-lived intangible assets14 years491.2 (108.1)436.0 (86.8)
Indefinite-lived intangible assets:
Trademarks and trade names154.9 — 143.9 — 
Total intangible assets$646.1 $(108.1)$579.9 $(86.8)
_______________
(1)Amounts include the impact of foreign currency translation. Fully amortized or impaired amounts are written off.
Schedule of estimated future amortization We estimate amortization expense to be recognized during the next five years as follows:
For the Year Ending December 31,
2021$38.6 
202239.6 
202338.8 
202437.5 
202536.7 
Schedule of government grants
China Government Grants are presented in our unaudited condensed consolidated balance sheets as follows:
September 30,
2021		December 31,
2020
Current$0.5 $0.5 
Long-term7.0 7.3 
Total China Government Grants$7.5 $7.8