v3.25.1

Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 30, 2025	Dec. 31, 2024
Business Acquisition [Line Items]
Goodwill		$ 1,018,777	$ 1,018,677
Precision Optical Technologies
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 194,100
Goodwill	114,097
Total intangible assets	$ 308,197
Weighted average amortization period	17 years 6 months
Precision Optical Technologies \| Developed technologies
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 24,700
Amortization Period	5 years
Precision Optical Technologies \| Customer relationships
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 161,900
Amortization Period	20 years
Precision Optical Technologies \| Trademarks
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 3,000
Amortization Period	2 years 6 months
Precision Optical Technologies \| Non-compete agreements
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 4,500
Amortization Period	5 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets.

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BELDEN INC. 10-Q