Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Goodwill

The following table summarizes changes in goodwill (in millions):

Balance at December 31, 2019	$	7,959.9
2020 acquisitions		60.4
Adjustments to prior acquisitions		11.6
Effect of foreign currency translation		46.8
Balance at December 31, 2020	$	8,078.7
Adjustments to prior acquisitions		(0.3	)
Effect of foreign currency translation		(32.9	)
Balance at December 31, 2021	$	8,045.5

Summary of the Components of Intangible Assets

A summary of the components of intangible assets is as follows (in millions):

	December 31,
	2021			2020
Customer relationships	$	4,490.0		$	4,728.7
Completed technology		1,381.6			1,438.1
Trade names		241.6			262.0
Other		43.0			45.8
Total intangible assets		6,156.2			6,474.6
Less: accumulated amortization		(2,749.0	)		(2,572.9	)
Total intangible assets, net	$	3,407.2		$	3,901.7

Schedule of Estimated Amortization Expense, Related to Intangible Assets

Total estimated amortization expense, related to intangible assets, for each of the next five years and thereafter, as of December 31, 2021, is expected to approximate (in millions):

Year Ending December 31,
2022	$	492.1
2023		458.0
2024		432.1
2025		394.8
2026		362.2
Thereafter		1,268.0
Total	$	3,407.2