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Note 14. Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Line of Credit Facilities As of December 31, 2024, the issued and outstanding amounts and available capacities under these commitments were as follows (in millions):
Issued and OutstandingAvailable Capacity
Revolving Credit Facility (1)
$— $250.0 
Bilateral facilities (2)
167.8 159.7 
Surety bonds28.6 225.0 
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(1)Our Revolving Credit Facility provides us with a sub-limit of $250.0 million to issue letters of credit, at a fee based on the applicable margin for Term SOFR loans, a fronting fee, and other customary letter of credit fees.

(2)Of the total letters of credit issued under the bilateral facilities, $9.1 million was secured with cash.
Schedule of Product Warranty Liability
Product warranty activities during the years ended December 31, 2024, 2023, and 2022 were as follows (in thousands):
 202420232022
Product warranty liability, beginning of period$25,491 $33,787 $52,553 
Accruals for new warranties issued7,399 5,416 4,727 
Settlements(13,183)(6,058)(12,690)
Changes in estimate of product warranty liability56,728 (7,654)(10,803)
Product warranty liability, end of period$76,435 $25,491 $33,787 
Current portion of warranty liability$62,139 $5,920 $10,660 
Noncurrent portion of warranty liability$14,296 $19,571 $23,127