Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Other intangible assets, which are included in Other assets on the accompanying consolidated balance sheets as of December 31, 2015 and 2014 were as follows:

		December 31, 2015					December 31, 2014
(in millions)	Weighted Average Useful life (years)	Gross carrying amount		Accumulated amortization			Gross carrying amount		Accumulated amortization
Technology	21	$	91.4	$	(18.6	)	$	91.4	$	(14.2	)
Customer relationships	24	35.7		(6.2		)	35.7		(4.7		)
Trademarks	15	64.6		(8.6		)	64.6		(4.3		)
Total amortizable intangible assets		191.7		(33.4		)	191.7		(23.2		)