Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible AssetsThe following table summarizes changes in our goodwill balance:


Balance at December 31, 2020	$	3,275.1
Goodwill related to acquisitions	263.4
Impact of foreign currency translation	(11.8)
Other	(1.5)
Balance at June 30, 2021	$	3,525.2

Intangible assets, net are summarized as follows:


	June 30, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names and branding	$	445.0	n/a		$	445.0
Domain portfolio	248.6		n/a		248.6
Contractual-based assets and other	68.3		n/a		68.3
Finite-lived intangible assets:
Customer-related	536.9		$	(251.1)	285.8
Developed technology	238.9		(111.4)		127.5
Trade names and other	106.5		(39.3)		67.2
	$	1,644.2	$	(401.8)	$	1,242.4


	December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names and branding	$	445.0	n/a		$	445.0
Domain portfolio	250.3		n/a		250.3
Contractual-based assets	67.0		n/a		67.0
Finite-lived intangible assets:
Customer-related	857.0		$	(534.7)	322.3
Developed technology	188.1		(90.7)		97.4
Trade names and other	106.9		(33.8)		73.1
	$	1,914.3	$	(659.2)	$	1,255.1

Amortization expense was $31.7 million and $29.1 million for the three months ended June 30, 2021 and 2020, respectively, and was $62.1 million and $62.3 million for the six months ended June 30, 2021 and 2020, respectively. As of June 30, 2021, the weighted-average remaining amortization period for amortizable intangible assets was 55 months for customer-related intangible assets, 39 months for developed technology and 73 months for trade names and other, and was 53 months in total.

Based on the balance of finite-lived intangible assets as of June 30, 2021, expected future amortization expense is as follows:


Year Ending December 31:
2021 (remainder of)	$	62.9
2022	123.6
2023	98.9
2024	83.0
2025	78.1
Thereafter	34.0
	$	480.5