Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

The gross carrying value and accumulated amortization for each major class of intangible assets are as follows:

	June 30, 2020				December 31, 2019
(in millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Trademarks	$	1.0	$	0.3	$	1.0	$	0.2
Patents	40.8		33.8		40.8		31.5
Customer relationships	12.0		4.4		12.0		3.6
Developed technology	36.5		3.7		36.5		0.7
Non-competition agreements	1.8		0.4		1.8		0.1
Total	92.1		42.6		92.1		36.1
Unamortized intangible assets:
Trademarks	32.0				32.0
IPR&D	3.7				3.7
Total	35.7				35.7
Total intangible assets, net	$	85.2			$	91.7

Schedule of Future Amortization Expense

Amortization expense for the next five years, based on current intangible balances, is estimated to be as follows:

(in millions)
Q3-Q4 2020	$	6.5
2021	13.0
2022	7.7
2023	7.1
2024	7.0