Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Summary of Changes in Goodwill

The following table summarizes the changes in the carrying amount of goodwill (in millions):


	Amount
Balance at December 31, 2018	$	240.6
Acquisition activity	65.4
Translation and other	1.2
Balance at December 31, 2019	307.2
Acquisition activity	29.3
Translation and other	0.2
Balance at December 31, 2020	$	336.7

Schedule of Intangible Assets

The following table summarizes the components of gross intangible asset, accumulated amortization, and net intangible asset balances as of December 31, 2020, and 2019 (in millions):


	December 31, 2020						December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Patents and developed technology	$	198.4	$	(158.7)	$	39.7	$	186.7	$	(149.0)	$	37.7
Distribution rights and others	91.9		(77.4)		14.5		91.3		(44.9)		46.4
Customer relationships	59.0		(35.8)		23.2		57.7		(29.7)		28.0
Total intangible assets	$	349.3	$	(271.9)	$	77.4	$	335.7	$	(223.6)	$	112.1

Schedule Of Estimated Future Amortization Expense Of Intangible Assets

The estimated future amortization expense related to intangible assets as of December 31, 2020, is as follows (in millions):


Fiscal Year	Amount
2021	$	21.3
2022	18.1
2023	13.4
2024	11.4
2025	9.8
2026 and thereafter	3.4
Total	$	77.4