Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

NOTE 10. GOODWILL AND INTANGIBLE ASSETS

The following table details amounts related to our goodwill and intangible assets as of June 30, 2021 and December 31, 2020.

		June 30, 2021				December 31, 2020
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizing intangible assets
Customer relationships	1-20 years	$	201.0	$	139.1	$	200.6	$	128.9
Developed technology	13-19 years		92.5		81.0		92.1		77.9
Software	7 years		9.1		0.7		9.1		-
Trademarks and brand names	5-10 years		4.0		1.6		4.0		1.3
Non-compete agreements	3-5 years		5.6		0.9		6.3		0.4
Other	Various		5.9		5.5		6.9		0.2
Total		$	318.1	$	228.8	$	319.0	$	208.7
Non-amortizing intangible assets
Trademarks and brand names	Indefinite		344.9				347.2
Total intangible assets		$	663.0			$	666.2

Goodwill	Indefinite	$	166.8			$	160.7

The increase in goodwill since December 31, 2020 resulted primarily from customary adjustments to valuations for Arktura assets acquired and liabilities assumed on December 16, 2020 and foreign exchange movements.

	Six Months Ended
	June 30,
	2021		2020
Amortization expense	$	20.7	$	9.3