Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill and accumulated impairment loss during the three months ended March 31, 2021 and year ended December 31, 2020 were as follows:

	Three Months Ended March 31, 2021									Twelve Months Ended December 31, 2020
	Gross Carrying Amount			Accumulated Impairment Loss			Net			Gross Carrying Amount		Accumulated Impairment Loss			Net
Beginning balance at January 1	$	1,211.8		$	(145.4	)	$	1,066.4		$	1,202.8	$	(144.3	)	$	1,058.5
Impairment of goodwill⁽¹⁾		—			—			—			—		(1.1	)		(1.1	)
Foreign currency translation		(4.3	)		—			(4.3	)		9.0		—			9.0
Ending balance at March 31, 2021 and December 31, 2020	$	1,207.5		$	(145.4	)	$	1,062.1		$	1,211.8	$	(145.4	)	$	1,066.4

⁽¹⁾

^{During the twelve months ended December 31, 2020, the Company recorded $1.1 of goodwill impairment charges related to the pending closure of a facility in Europe.}

Intangible Assets

Components of the Company’s intangible assets are comprised of the following:

As of March 31, 2021:	Gross		Accumulated Impairment Charges			Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	446.4	$	(0.1	)	$	(216.4	)	$	(0.1	)	$	229.8
Customer relationships		308.2		(1.4	)		(109.8	)		0.3			197.3
Patents, trademarks, trade names and other		120.9		—			(49.4	)		(0.2	)		71.3
	$	875.5	$	(1.5	)	$	(375.6	)	$	—		$	498.4

As of December 31, 2020:	Gross		Accumulated Impairment Charges			Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	446.4	$	(0.1	)	$	(209.8	)	$	(0.1	)	$	236.4
Customer relationships		308.2		(1.4	)		(104.8	)		1.7			203.7
Patents, trademarks, trade names and other		120.9		—			(48.6	)		(0.2	)		72.1
	$	875.5	$	(1.5	)	$	(363.2	)	$	1.4		$	512.2

Estimated Net Amortization Expense

Aggregate net amortization expense related to acquired intangible assets for future years is as follows:

Year	Amount
2021 (remaining)	$	35.6
2022	$	45.5
2023	$	45.1
2024	$	44.2
2025	$	43.2
2026	$	132.8
Thereafter	$	96.1