Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

Changes in the carrying amount of goodwill, by reportable segment, were as follows (in millions):

	CSCA		CSCI(1)		RX(2)		Total
Balance at December 31, 2018	$	1,713.7	$	1,151.3	$	1,114.8	$	3,979.8
Impairments	—		—		(109.2)		(109.2)
Business divestitures	(42.2)		—		—		(42.2)
Business acquisitions	223.0		68.1		—		291.1
Currency translation adjustments	4.6		(15.7)		8.3		(2.8)
Balance at December 31, 2019	1,899.1		1,203.7		1,013.9		4,116.7
Impairments	—		—		(346.8)		(346.8)
Business divestitures	—		(115.6)		—		(115.6)
Business acquisitions	14.8		7.3		—		22.1
Purchase accounting adjustments	(10.4)		12.0		—		1.6
Currency translation adjustments	1.5		83.3		6.0		90.8
Balance at December 31, 2020	$	1,905.0	$	1,190.7	$	673.1	$	3,768.8

(1) We had accumulated goodwill impairments of $868.4 million as of December 31, 2019 and December 31, 2020.

(2) We had accumulated goodwill impairments of $109.2 million and $456.0 million as of December 31, 2019 and December 31, 2020, respectively.

Schedule of finite and indefinite-lived intangible assets

Intangible assets and the related accumulated amortization consisted of the following (in millions):

	Year Ended
	December 31, 2020				December 31, 2019
	Gross		Accumulated Amortization		Gross		Accumulated Amortization
Indefinite-lived intangibles:
Trademarks, trade names, and brands	$	4.3	$	—	$	18.8	$	—
In-process research and development	10.8		—		50.0		—
Total indefinite-lived intangibles	$	15.1	$	—	$	68.8	$	—
Definite-lived intangibles:
Distribution and license agreements and supply agreements	$	126.5	$	87.5	$	126.7	$	81.1
Developed product technology, formulations, and product rights	1,363.6		765.9		1,392.8		755.3
Customer relationships and distribution networks	1,934.6		836.4		1,805.6		671.4
Trademarks, trade names, and brands	1,586.6		347.2		1,353.5		250.1
Non-compete agreements	5.2		5.2		6.5		6.0
Total definite-lived intangibles	$	5,016.5	$	2,042.2	$	4,685.1	$	1,763.9
Total intangible assets	$	5,031.6	$	2,042.2	$	4,753.9	$	1,763.9

Schedule of remaining weighted-average useful lives of intangible assets

The remaining weighted-average useful life for our amortizable intangible assets by asset class at December 31, 2020 was as follows:

Amortizable Intangible Asset Category	Remaining Weighted-Average Useful Life (Years)
Distribution and license agreements and supply agreements	7
Developed product technology, formulations, and product rights	12
Customer relationships and distribution networks	16
Trademarks, trade names, and brands	16

Schedule of finite-lived intangible assets, future amortization expense

Our estimated future amortization expense is as follows (in millions):

Year	Amount
2021	$	282.2
2022	252.7
2023	237.3
2024	225.4
2025	214.8
Thereafter	1,761.9