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Product Warranty (Tables)
6 Months Ended
Jun. 30, 2026
Product Warranty  
Schedule of product warranty liability

Six months ended

June 30,

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

(in thousands)

Balance at January 1 (beginning of year)

$

11,587

$

15,183

Warranties issued during the period

 

5,298

 

4,334

Settlements made during the period

 

(3,601)

 

(6,865)

Changes in estimate of liability for pre-existing warranties during the period

 

(1,969)

 

(61)

Balance at June 30 (end of period)

$

11,315

$

12,591

Amount classified as current

$

9,634

$

10,903

Amount classified as long-term (within other long-term liabilities)

 

1,681

 

1,688

Total warranty liability

$

11,315

$

12,591