GOODWILL AND INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND INTANGIBLE ASSETS

NOTE 6.GOODWILL AND INTANGIBLE ASSETS

The following table summarizes changes in goodwill during the three months ended March 31, 2022 and the twelve months ended December 31, 2021:

Goodwill (in thousands):
Balance at December 31, 2020	$	653,176
Additions		69,264
Adjustments due to currency translation		(621)
Balance at December 31, 2021		721,819
Additions		4,455
Measurement adjustments		2,572
Adjustments due to currency translation		1,293
Balance at March 31, 2022	$	730,139

The carrying amount of goodwill in foreign countries was $83.3 million as of March 31, 2022 and $82.1 million as of December 31, 2021.

The Company completed its most recent annual impairment analysis as of September 30, 2021. Based upon the results of this analysis, the Company concluded that no impairment of its goodwill or other intangible assets was indicated.

The following table sets forth the components of indefinite-lived and amortizable intangible assets as of March 31, 2022 and December 31, 2021 (in thousands):

	March 31, 2022						December 31, 2021
			Accumulated		Carrying				Accumulated		Carrying			Useful Life
	Gross		Amortization		Value		Gross		Amortization			Value		in Years
Amortizable intangible assets:
Customer contracts	$	557,164	$	(238,358)	$	318,806	$	551,277	$	(225,348)		$	325,929	3-20
Trademarks and tradenames		12,904		(6,783)		6,121		12,784		(6,492)			6,292	7-20
Non-compete agreements		13,362		(6,364)		6,998		13,125		(5,573)			7,552	3-20
Patents		6,946		(6,502)		444		6,946		(5,509)			1,437	3-15
Other assets		2,217		(1,796)		421		2,150		(1,687)			463	10
Total amortizable intangible assets	$	592,593	$	(259,803)		332,790	$	586,282	$	(244,609)			341,673
Indefinite-lived intangible assets:
Trademarks and tradenames						103,399							102,684
Internet domains						2,227							2,227
Total indefinite-lived intangible assets						105,626							104,911
Total customer contracts and other intangible assets					$	438,416						$	446,584

The carrying amount of customer contracts in foreign countries was $40.9 million and $42.1 million as of March 31, 2022 and December 31, 2021, respectively. The carrying amount of trademarks and tradenames in foreign countries was $2.8 million and $2.9 million as of March 31, 2022 and December 31, 2021, respectively. The carrying amount of other intangible assets in foreign countries was $0.6 million and $0.7 million as of March 31, 2022 and December 31, 2021, respectively.

Amortization expense related to intangible assets was $15.1 million and $13.1 million for the three months ended March 31, 2022 and 2021, respectively. Customer contracts and other amortizable intangible assets are amortized on a straight-line basis over their economic useful lives.

Estimated amortization expense for the existing carrying amount of customer contracts and other intangible assets for each of the five succeeding fiscal years as of March 31, 2022 are as follows:

(in thousands)
2022 (excluding the three months ended March 31, 2022)	$	44,867
2023		55,441
2024		51,857
2025		42,806
2026		38,422