Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

4. Goodwill and Other Intangible Assets

The following table summarizes the changes in the carrying amount of goodwill for continuing operations (in thousands):


	Total
Balance at December 31, 2022
Goodwill, Gross	$	401,999
Accumulated impairment losses		(142,000	)
Goodwill, Net		259,999
Currency translation		2,112
Balance at December 31, 2023
Goodwill, Gross		404,111
Accumulated impairment losses		(142,000	)
Goodwill, Net		262,111
Currency translation		(4,506	)
Balance at December 31, 2024
Goodwill, Gross		399,605
Accumulated impairment losses		(142,000	)
Goodwill, Net	$	257,605

We performed a qualitative test in the fourth quarter of 2024 on our dental reporting unit and concluded it was more likely than not that its fair value exceeded its carrying value. In 2023, we estimated the fair value of our dental reporting unit using the income and market approaches and estimated that its fair value exceeded its carrying value by over 20%.

The components of identifiable intangible assets were as follows (in thousands):


	Technology			Trademarks and Trade Names			Customer Relationships			Other(1)			Total
As of December 31, 2023:
Intangible assets subject to amortization:
Gross carrying amount	$	168,841		$	37,056		$	143,565		$	47,670		$	397,132
Accumulated amortization		(113,354	)		(23,393	)		(98,361	)		(47,670	)		(282,778	)
Total identifiable intangible assets	$	55,487		$	13,663		$	45,204		$	—		$	114,354
As of December 31, 2024:
Intangible assets subject to amortization:
Gross carrying amount	$	126,478		$	34,117		$	137,770		$	4,032		$	302,397
Accumulated amortization		(79,619	)		(23,563	)		(104,448	)		(2,032	)		(209,663	)
Total identifiable intangible assets	$	46,859		$	10,553		$	33,322		$	2,000		$	92,734

(1) During the year ended December 31, 2024, we wrote off all fully amortized intangible assets that are no longer in use.

Estimated annual amortization expense for the years ending December 31, 2025 through 2029, based upon intangible assets recognized as of December 31, 2024, is as follows (in millions):


For the Years Ending December 31,
2025	$	22.2
2026		22.2
2027		17.1
2028		12.1
2029		11.6