Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets

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

		December 31, 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	$	114.9	$	181.4	$	103.0
Developed technology	15 years		85.0		72.1		84.3		66.5
Trademarks and brand names	5-20 years		3.9		0.6		1.1		0.2
Other	Various		0.3		0.1		5.6		1.2
Total		$	278.1	$	187.7	$	272.4	$	170.9
Non-amortizing intangible assets
Trademarks and brand names	Indefinite		321.5				321.3
Total intangible assets		$	599.6			$	593.7
Goodwill	Indefinite	$	53.0			$	19.2

Schedule of Amortization Expense

	2019		2018		2017
Amortization expense	$	19.9	$	15.1	$	14.6

Schedule of Expected Annual Amortization Expense

The expected annual amortization expense for the years 2020 through 2024 are as follows:

2020	$	18.6
2021		17.2
2022		11.1
2023		10.7
2024		10.3