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4. Intangible Assets, Goodwill and Other (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes to goodwill by segment

Changes to goodwill by segment were as follows (in millions):

						2020																					2019
						Life Science						Clinical Diagnostics						Total									Life Science						Clinical Diagnostics						Total
Balances as of January 1:
Goodwill						$	250.1					$	349.2					$	599.3								$	234.5					$	320.5					$	555.0
Accumulated impairment losses and write-offs						(41.8)						(293.4)						(335.2)									(41.8)						(293.4)						(335.2)
Goodwill, net						208.3						55.8						264.1									192.7						27.1						219.8
Acquisitions (see Note 2)						29.8						—						29.8									15.6						28.7						44.3
Other adjustments (see Note 2)						(2.0)						—						(2.0)									—						—						—
Period increase, net						27.8						—						27.8									15.6						28.7						44.3
Balances as of December 31:
Goodwill						277.9						349.2						627.1									250.1						349.2						599.3
Accumulated impairment losses and write-offs						(41.8)						(293.4)						(335.2)									(41.8)						(293.4)						(335.2)
Goodwill, net						$	236.1					$	55.8					$	291.9								$	208.3					$	55.8					$	264.1

Schedule of Finite-Lived Intangible Assets by Major-Class

Information regarding our identifiable purchased intangible assets with definite and indefinite lives is as follows (in millions):

			December 31, 2020
			Weighted-Average Amortization Period (years)						Purchase Price						Accumulated Amortization						Net Carrying Amount
Customer relationships/lists			5.51						$	116.6					$	(87.2)					$	29.4
Know how			4.75						196.6						(175.4)						21.2
Developed product technology			14.00						218.1						(107.1)						111.0
Licenses			7.73						65.6						(37.4)						28.2
Tradenames			7.82						6.6						(4.2)						2.4
Covenants not to compete			3.87						4.5						(2.0)						2.5
Other			—						0.1						(0.1)						—
Total definite-lived intangible assets									608.1						(413.4)						194.7
In-process research and development									4.8						—						4.8
Total purchased intangible assets									$	612.9					$	(413.4)					$	199.5

			December 31, 2019
			Weighted-Average Amortization Period (years)						Purchase Price						Accumulated Amortization						Net Carrying Amount
Customer relationships/lists			6.36						$	107.2					$	(74.3)					$	32.9
Know how			5.71						188.5						(162.6)						25.9
Developed product technology			8.31						144.2						(93.9)						50.3
Licenses			8.74						76.0						(44.4)						31.6
Tradenames			8.50						6.4						(3.6)						2.8
Covenants not to compete			6.01						3.2						(1.4)						1.8
Other			—						0.1						(0.1)						—
Total definite-lived intangible assets									525.6						(380.3)						145.3
In-process research and development									0.2						—						0.2
Total purchased intangible assets									$	525.8					$	(380.3)					$	145.5

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- References

No definition available.

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- Definition

Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267

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