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Liability for Warranty Returns | 12 Months Ended
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Dec. 31, 2024
Product Warranties Disclosures [Abstract] |
Liability for Warranty Returns | Note 17 – Liability for Warranty Returns The liability for warranty obligations totaled $4.5 million and $6.4 million as of December 31, 2024 and 2023, respectively. These liabilities are included in accrued expenses and other liabilities and other non-current liabilities in the accompanying Consolidated Balance Sheets. A summary of warranty expense and write-off activity for the years ended December 31, 2024, 2023 and 2022 is as follows:
|  | Year Ended December 31, |
(In thousands) |  | 2024 |  |  | 2023 |  |  | 2022 |
Balance at beginning of period |  | $ | 6,445 |  |  | $ | 7,196 |  |  | $ | 5,403 |
Plus: Adtran Networks acquisition |  |  | — |  |  |  | — |  |  |  | 3,756 |
Plus: Amounts charged to cost and expenses |  |  | 1,772 |  |  |  | 2,952 |  |  |  | 3,104 |
Plus: Foreign currency translation adjustments |  |  | (119 | ) |  |  | 82 |  |  |  | 334 |
Less: Deductions |  |  | (3,586 | ) |  |  | (3,784 | ) |  |  | (5,401 | )
Balance at end of period |  | $ | 4,512 |  |  | $ | 6,445 |  |  | $ | 7,196 |

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(5) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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