Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

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, 2020 and 2019 were as follows:

	December 31, 2020				December 31, 2019
(in millions)	Gross carrying amount		Accumulated amortization		Gross carrying amount		Accumulated amortization
Technology	$	76.8	$	(33.4)	$	76.8	$	(29.7)
Customer relationships	27.0		(10.4)		27.0		(9.3)
Trademarks	52.4		(24.5)		52.4		(20.9)
Total amortizable intangible assets	$	156.2	$	(68.3)	$	156.2	$	(59.9)