Restructuring (Tables)

12 Months Ended

Dec. 31, 2021

Restructuring and Related Activities [Abstract]

Reconciliation of Accruals and Other Reserves Related to Restructuring

The following table provides a reconciliation of the beginning and ending balance of the accruals and other reserves recorded in connection with our restructuring plans included within accrued liabilities on the consolidated balance sheet (in thousands):

	Employee Severance and Other Termination Costs		Other		Total
Balance at December 31, 2018	$	10,195	$	3,069	$	13,264
Charges	11,472		782		12,254
Cash payments	(17,570)		(2,451)		(20,021)
Balance at December 31, 2019	4,097		1,400		5,497
Charges	7,571		—		7,571
Cash payments	(5,919)		(854)		(6,773)
Balance at December 31, 2020	5,749		546		6,295
Charges	7,963		1,750		9,713
Cash payments	(12,876)		(2,296)		(15,172)
Balance at December 31, 2021 (1)	$	836	$	—	$	836

(1)Cumulatively, we have recognized a total of $128.8 million in restructuring expense, inclusive of discontinued operations.

Schedule of Restructuring Expense by Reportable Segment

The following table presents restructuring expense by reportable segment (in thousands):

	Year Ended December 31,
	2021		2020		2019
Cardiopulmonary	$	2,844	$	1,040	$	1,483
Neuromodulation	1,531		3,223		1,082
Other (1)	5,338		3,308		9,689
Total (2)	$	9,713	$	7,571	$	12,254

(1)Other restructuring expense for the year ended December 31, 2019 included $3.5 million of Caisson restructuring expenses.

(2)Restructuring expense is included within other operating expenses on the consolidated statements of income (loss).