v3.25.3

Long-Term Debt and Other Borrowing Arrangements - Schedule of Carrying Values of Long-Term Debt and Other Borrowing Arrangements (Details) - USD ($) $ in Thousands	Sep. 28, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,291,290	$ 1,138,610
Less unamortized debt issuance costs	(6,857)	(8,509)
Long-term debt	1,284,433	1,130,101
3.375% Senior subordinated notes due 2027 \| Senior Subordinated Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 528,255	465,795
Senior subordinated notes interest rate	3.375%
3.875% Senior subordinated notes due 2028 \| Senior Subordinated Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 410,865	362,285
Senior subordinated notes interest rate	3.875%
3.375% Senior subordinated notes due 2031 \| Senior Subordinated Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 352,170	310,530
Senior subordinated notes interest rate	3.375%
Revolving Credit Facility \| Revolving credit agreement due 2030 \| Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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BELDEN INC. 10-Q