Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill and accumulated impairment loss during the three months ended March 31, 2020 and year ended December 31, 2019 were as follows:

	Three Months Ended March 31, 2020									Twelve Months Ended December 31, 2019
	Gross Carrying Amount			Accumulated Impairment Loss			Net			Gross Carrying Amount			Accumulated Impairment Loss			Net
Beginning balance at January 1	$	1,202.8		$	(144.3	)	$	1,058.5		$	731.3		$	(144.3	)	$	587.0
Acquired goodwill		—			—			—			474.0			—			474.0
Foreign currency translation		(2.1	)		—			(2.1	)		(2.5	)		—			(2.5	)
Ending balance at March 31, 2020 and December 31, 2019	$	1,200.7		$	(144.3	)	$	1,056.4		$	1,202.8		$	(144.3	)	$	1,058.5

Intangible Assets

Intangible Assets

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

As of March 31, 2020:	Gross		Accumulated Impairment Charges			Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	446.4	$	(0.1	)	$	(188.6	)	$	(0.4	)	$	257.3
Customer relationships		308.2		(1.4	)	$	(89.1	)	$	(1.8	)	$	215.9
Patents, trademarks, trade names and other		120.9		—		$	(46.6	)	$	0.2		$	74.5
	$	875.5	$	(1.5	)	$	(324.3	)	$	(2.0	)	$	547.7

As of December 31, 2019:	Gross		Accumulated Impairment Charges			Accumulated Amortization			Foreign Currency Translation			Net
Completed technology(1)	$	446.4	$	(0.1	)	$	(178.3	)	$	(0.2	)	$	267.8
Customer relationships(1)		308.2		(1.4	)		(84.2	)		(1.4	)		221.2
Patents, trademarks, trade names and other(2)		120.9		—			(45.5	)		0.2			75.6
	$	875.5	$	(1.5	)	$	(308.0	)	$	(1.4	)	$	564.6

^{(1) During 2019, the Company recorded $316.2 of separately identified intangible assets related to the ESI Merger, of which $274.0 was completed technology, $25.4 was customer relationships and $16.8 was trademarks, trade names and backlog.}

^{(2) During 2019, the Company reclassified $6.4 of gross favorable lease assets and $3.4 of related accumulated amortization from patents, trademarks, trade names and other to the right-of-use asset line in the balance sheet.}

Estimated Net Amortization Expense

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

Year	Amount
2020 (remaining)	$	41.0
2021	$	46.1
2022	$	45.2
2023	$	44.9
2024	$	44.0
2025	$	43.6
Thereafter	$	227.0