Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

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 September 30, 2017 and December 31, 2016. 

		September 30, 2017				December 31, 2016
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizing intangible assets
Customer relationships	20 years	$	176.3	$	91.7	$	165.3	$	84.9
Developed technology	15 years		83.4		59.5		82.8		55.4
Other	Various		13.3		1.8		13.2		2.0
Total		$	273.0	$	153.0	$	261.3	$	142.3
Goodwill and non-amortizing intangible assets
Trademarks and brand names	Indefinite		319.6				314.4
Goodwill	Indefinite		10.7				1.1
Total goodwill and intangible assets		$	603.3			$	576.8

Schedule of Amortization Expense

	Nine Months Ended
	September 30,
	2017		2016
Amortization expense	$	11.0	$	10.5