Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

NOTE 11. GOODWILL AND INTANGIBLE ASSETS 

The following table details amounts related to our goodwill and intangible assets as of September 30, 2019 and December 31, 2018. 

		September 30, 2019				December 31, 2018
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizing intangible assets
Customer relationships	3-20 years	$	188.9	$	111.8	$	181.4	$	103.0
Developed technology	15 years		84.8		70.7		84.3		66.5
Trademarks and brand names	5-20 years		3.9		0.5		1.1		0.2
Other	Various		2.1		1.4		5.6		1.2
Total		$	279.7	$	184.4	$	272.4	$	170.9
Goodwill and non-amortizing intangible assets
Trademarks and brand names	Indefinite		321.5				321.3
Goodwill	Indefinite		42.6				19.2
Total goodwill and intangible assets		$	643.8			$	612.9

	Nine Months Ended
	September 30,
	2019		2018
Amortization expense	$	14.7	$	11.0