The following table summarizes the changes in the carrying amount of goodwill for the nine months ended September 30, 2026:


	2026
(in millions of $)	Equipment	Services	Total
Balance as of January 1,	618.8	1,067.8	1,686.6
Acquisitions	—	22.2	22.2

Foreign currency effect	(15.4)	(26.6)	(42.0)
Balance as of September 30,	603.4	1,063.4	1,666.8


	September 30, 2026
(in millions of $)	Gross carrying amount	Accumulated amortization	Net
Customer relationships	884.0	(496.8)	387.2
Capitalized development costs	463.3	(352.2)	111.1
Trade names & trademarks (indefinite)	201.5	—	201.5
Developed technology	0.8	(0.6)	0.2

Total (1)	1,549.6	(849.6)	700.0

(1) Certain intangible assets are denominated in foreign currencies. As such, the change in intangible assets includes a component attributable to foreign currency translation.


	December 31, 2025
(in millions of $)	Gross carrying amount	Accumulated amortization	Net
Customer relationships	912.4	(473.4)	439.0
Capitalized development costs	465.3	(334.2)	131.1
Trade names & trademarks (indefinite)	207.0	—	207.0
Developed technology	0.8	(0.6)	0.2

Total (1)	1,585.5	(808.2)	777.3

(1) Certain intangible assets are denominated in foreign currencies. As such, the change in intangible assets includes a component attributable to foreign currency translation.

Amortization expense of definite-lived intangible assets amounted to $22.1 million and $26.4 million for the three months ended September 30, 2026, and 2025, and $66.8 million and $71.8 million for the nine months ended September 30, 2026 and 2025, respectively.

During the nine months ended September 30, 2026, the Company did not identify any reporting units or indefinite-lived intangibles that required an impairment test.