Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

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, 2017	$	201.1
Acquisition activity	40.2
Translation and other	(0.7)
Balance at December 31, 2018	240.6
Acquisition activity	65.4
Translation and other	1.2
Balance at December 31, 2019	$	307.2

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, 2019, and 2018 (in millions):

	December 31, 2019						December 31, 2018
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Patents and developed technology	$	186.7	$	(149.0)	$	37.7	$	158.7	$	(144.7)	$	14.0
Distribution rights and others	91.3		(44.9)		46.4		40.2		(12.9)		27.3
Customer relationships	57.7		(29.7)		28.0		48.5		(23.1)		25.4
Total intangible assets	$	335.7	$	(223.6)	$	112.1	$	247.4	$	(180.7)	$	66.7

Schedule Of Estimated Future Amortization Expense Of Intangible Assets

The estimated future amortization expense related to intangible assets as of December 31, 2019, is as follows (in millions):

Fiscal Year	Amount
2020	$	46.1
2021	18.7
2022	16.0
2023	11.5
2024	9.4
2025 and thereafter	10.4
Total	$	112.1