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Restructuring (Tables) | 12 Months Ended
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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).

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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