v3.25.2

Goodwill and Intangible Assets - Intangible Asset Activity (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 28, 2025	Dec. 31, 2024
Goodwill [Line Items]
Carrying Value	$ 2,849,600	$ 2,840,582
Accumulated Amortization	(561,666)	(452,677)
Net Carrying Value	2,287,934	2,387,905
Net of accumulated impairment loss	32,700	32,700
Customer relationships
Goodwill [Line Items]
Carrying Value	2,106,468	2,100,469
Accumulated Amortization	(433,863)	(351,129)
Net Carrying Value	1,672,605	1,749,340
Trademarks, trade names and other
Goodwill [Line Items]
Carrying Value	743,132	740,113
Accumulated Amortization	(127,803)	(101,548)
Net Carrying Value	$ 615,329	$ 638,565
Minimum \| Customer relationships
Goodwill [Line Items]
Range of Life (Years)/Weighted Average Amortization Remaining (Years)	3 years	3 years
Minimum \| Trademarks, trade names and other
Goodwill [Line Items]
Range of Life (Years)/Weighted Average Amortization Remaining (Years)	12 years	12 years
Maximum \| Customer relationships
Goodwill [Line Items]
Range of Life (Years)/Weighted Average Amortization Remaining (Years)	19 years	19 years
Maximum \| Trademarks, trade names and other
Goodwill [Line Items]
Range of Life (Years)/Weighted Average Amortization Remaining (Years)	15 years	15 years
Weighted Average \| Customer relationships
Goodwill [Line Items]
Range of Life (Years)/Weighted Average Amortization Remaining (Years)	15 years	15 years
Weighted Average \| Trademarks, trade names and other
Goodwill [Line Items]
Range of Life (Years)/Weighted Average Amortization Remaining (Years)	12 years	12 years

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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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Cornerstone Building Brands, Inc. 10-Q