Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill by reportable segment were as follows:


($ in millions)	Proprietary Products		Contract-Manufactured Products		Total
Balance, December 31, 2019	$	78.1	$	29.7	$	107.8

Foreign currency translation	2.8		0.5		3.3
Balance, December 31, 2020	80.9		30.2		111.1
Goodwill recorded due to acquisition	1.7		—		1.7
Goodwill impairment charge	(0.1)		—		(0.1)
Foreign currency translation	(2.4)		(0.4)		(2.8)
Balance, December 31, 2021	$	80.1	$	29.8	$	109.9

As of December 31, 2021, we had $0.1 million in accumulated goodwill impairment losses.

Intangible assets and accumulated amortization as of December 31 were as follows:


	2021						2020
($ in millions)	Cost		Accumulated amortization		Net		Cost		Accumulated amortization		Net
Patents and licensing	$	25.1	$	(19.4)	$	5.7	$	25.9	$	(17.9)	$	8.0
Technology	3.3		(2.0)		1.3		3.3		(1.7)		1.6
Trademarks	2.0		(1.9)		0.1		2.0		(1.8)		0.2
Customer relationships	40.1		(25.4)		14.7		40.9		(23.4)		17.5
Customer contracts	10.6		(9.4)		1.2		11.1		(7.9)		3.2
	$	81.1	$	(58.1)	$	23.0	$	83.2	$	(52.7)	$	30.5

The cost basis of intangible assets includes a foreign currency translation loss of $1.3 million and a foreign currency translation gain of $1.3 million for the years ended December 31, 2021 and 2020, respectively. Amortization expense for the years ended December 31, 2021, 2020 and 2019 was $5.4 million, $4.4 million and $3.4 million, respectively. Estimated annual amortization expense for the next five years is as follows: 2022 - $4.0 million, 2023 - $4.0 million, 2024 - $4.0 million, 2025 - $3.0 million and 2026 - $2.8 million.