Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill are as follows:


Balance, December 31, 2019	$	480,065
Acquisitions	81,990
Foreign currency translation adjustments	19,195
Other adjustments	(76)
Balance, December 31, 2020	581,174
Acquisitions	1,066,350
Foreign currency translation adjustments	(58,408)
Other adjustments	(639)
Balance, December 31, 2021	$	1,588,477

Details of intangible assets other than goodwill are as follows:


		December 31, 2021						December 31, 2020
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Intangible assets subject to amortization:
Software and technology	3-5 years	$	101,588	$	(63,225)	$	38,363	$	67,691	$	(63,046)	$	4,645
Customer relationships	3-10 years	245,325		(83,799)		161,526		97,008		(66,030)		30,978
Trademarks	3-10 years	63,080		(20,893)		42,187		26,610		(16,888)		9,722
Non-compete agreements	5 years	350		(139)		211		350		(68)		282
		410,343		(168,056)		242,287		191,659		(146,032)		45,627
Intangible assets not subject to amortization:
In-process research and development		3,547		—		3,547		—		—		—
Total intangible assets		$	413,890	$	(168,056)	$	245,834	$	191,659	$	(146,032)	$	45,627

The aggregate amortization expense for purchased intangible assets with finite lives was reflected in the Company’s consolidated statements of operations as follows:


	Year Ended December 31,
	2021		2020		2019
Cost of subscriptions and licenses	$	8,125	$	4,981	$	3,795
Amortization of purchased intangibles	25,601		15,352		14,213
Total amortization expense	$	33,726	$	20,333	$	18,008

Amortization expense for the years following December 31, 2021 are estimated as follows:


2022	$	43,782
2023	37,752
2024	31,568
2025	28,787
2026	22,693
Thereafter	77,705
	$	242,287