Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

We assess goodwill and indefinite-lived intangible assets for impairment annually as of October 1st, and between annual tests if an event occurs, or circumstances change, that would more-likely-than-not reduce the fair value of a reporting unit below its carrying value.

The following table summarizes the activity in goodwill of the Patient Care operating segment for the period indicated:


	For the Three Months Ended March 31, 2022
(in thousands)	Goodwill, Gross		Accumulated Impairment		Goodwill, Net
As of December 31, 2021	$	792,222	$	(428,668)	$	363,554
Additions from acquisitions	3,947		—		3,947
Measurement period adjustments (1)	413		—		413
As of March 31, 2022	$	796,582	$	(428,668)	$	367,914

(1) Measurement period adjustments relate to 2021 acquisitions of approximately $0.4 million and are primarily attributable to adjustments to the preliminary allocations of acquired assets.

The balances related to intangible assets as of March 31, 2022 are as follows:


	As of March 31, 2022
(in thousands)	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment		Net Carrying Amount
Customer lists	$	29,124	$	(11,364)	$	—	$	17,760
Trade name	255		(208)		—		47
Patents and other intangibles	9,815		(6,707)		—		3,108
Definite-lived intangible assets	39,194		(18,279)		—		20,915
Indefinite-lived trade name	9,070		—		(4,953)		4,117
Total other intangible assets	$	48,264	$	(18,279)	$	(4,953)	$	25,032

Amortization expense related to other intangible assets was approximately $1.6 million and $1.0 million for the three months ended March 31, 2022 and 2021, respectively.