Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets

Schedule of changes in the carrying amount of goodwill

The following table sets forth the changes in the carrying amount of goodwill by segment (in millions):

	BSI Life
	Science		BSI NANO		BEST		Total
Balance at December 31, 2017	$	8.9	$	160.9	$	—	$	169.8
Current period additions/adjustments		64.1		44.9		—		109.0
Foreign currency impact		(1.0)		(2.1)		—		(3.1)
Balance at December 31, 2018		72.0		203.7		—		275.7
Current period additions/adjustments		13.1		6.3		0.3		19.7
Foreign currency impact		(0.9)		(1.5)		—		(2.4)
Balance at December 31, 2019		84.2		208.5		0.3		293.0
Current period additions/adjustments		—		13.7		—		13.7
Foreign currency impact		7.9		5.8		—		13.7
Balance at December 31, 2020	$	92.1	$	228.0	$	0.3	$	320.4

Summary of intangible assets

The following is a summary of intangible assets (in millions):

	2020						2019
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Existing technology and related patents	$	309.8	$	(194.6)	$	115.2	$	300.9	$	(182.4)	$	118.5
Customer relationships		148.3		(45.4)		102.9		134.7		(30.9)		103.8
Non-compete contracts		—		—		—		1.8		(1.8)		—
Trade names		15.2		(4.4)		10.8		13.7		(2.9)		10.8
Other		0.3		(0.1)		0.2		5.5		(5.4)		0.1
Intangible assets	$	473.6	$	(244.5)	$	229.1	$	456.6	$	(223.4)	$	233.2

Schedule of estimated future amortization expense related to amortizable intangible assets

The estimated future amortization expense related to amortizable intangible assets is as follows (in millions):

2021	$	36.3
2022		30.7
2023		28.0
2024		25.6
2025		24.7
Thereafter		83.8
Total	$	229.1