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Liability for Warranty Returns
 12 Months Ended
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