Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Other Intangible Assets

Schedule of goodwill allocated to the Company's reportable segments

	Patient Care						Products & Services						Consolidated
	Goodwill,		Accum.		Goodwill,		Goodwill,		Accum.		Goodwill,		Goodwill,		Accum.		Goodwill,
(in thousands)	Gross		Impairment		Net		Gross		Impairment		Net		Gross		Impairment		Net
Balance at December 31, 2017	$	625,011	$	(428,668)	$	196,343	$	139,299	$	(139,299)	$	—	$	764,310	$	(567,967)	$	196,343
Additions from acquisitions		2,399		—		2,399		—		—		—		2,399		—		2,399
Balance at December 31, 2018		627,410		(428,668)		198,742		139,299		(139,299)		—		766,709		(567,967)		198,742
Additions from acquisitions		35,926		—		35,926		—		—		—		35,926		—		35,926
Measurement period adjustments (1)		(2,424)		—		(2,424)		—		—		—		(2,424)		—		(2,424)
Balance at December 31, 2019	$	660,912	$	(428,668)	$	232,244	$	139,299	$	(139,299)	$	—	$	800,211	$	(567,967)	$	232,244

Schedule of balances related to intangible assets

	As of December 31, 2019
	Gross Carrying		Accumulated		Accumulated		Net Carrying
(in thousands)	Amount		Amortization		Impairment		Amount
Customer lists	$	32,772	$	(22,726)	$	—	$	10,046
Trade name		255		(151)		—		104
Patents and other intangibles		9,188		(5,503)		—		3,685
Definite-lived intangible assets		42,215		(28,380)		—		13,835
Indefinite-lived trade name		9,070		—		(4,953)		4,117
Total other intangible assets	$	51,285	$	(28,380)	$	(4,953)	$	17,952

	As of December 31, 2018
	Gross Carrying		Accumulated		Accumulated		Net Carrying
(in thousands)	Amount		Amortization		Impairment		Amount
Customer lists	$	26,036	$	(19,051)	$	—	$	6,985
Trade name		255		(125)		—		130
Patents and other intangibles		9,391		(5,145)		—		4,246
Definite-lived intangible assets		35,682		(24,321)		—		11,361
Indefinite-lived trade name		9,070		—		(4,953)		4,117
Total other intangible assets	$	44,752	$	(24,321)	$	(4,953)	$	15,478

Schedule of estimated aggregate amortization expense for definite-lived intangible assets

(in thousands)
2020	$	5,160
2021		2,576
2022		2,509
2023		2,284
2024		781
Thereafter		525
Total	$	13,835