Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2025
Goodwill [Roll Forward]
Beginning balance	$ 1,105,732
Impact of acquisitions and related measurement period adjustments	2,003
Impairment	(372,323)
Currency translation	2,524
Ending balance	737,936
Goodwill	1,976,311
Accumulated impairment loss	(1,238,375)
Goodwill	737,936
Windows & Doors
Goodwill [Roll Forward]
Beginning balance	452,726
Impact of acquisitions and related measurement period adjustments	1,340
Impairment	(372,323)
Currency translation	526
Ending balance	82,269
Goodwill	950,741
Accumulated impairment loss	(868,472)
Goodwill	82,269
Siding & Accessories
Goodwill [Roll Forward]
Beginning balance	335,544
Impact of acquisitions and related measurement period adjustments	0
Impairment	0
Currency translation	1,998
Ending balance	337,542
Goodwill	707,445
Accumulated impairment loss	(369,903)
Goodwill	337,542
Metal Solutions
Goodwill [Roll Forward]
Beginning balance	317,462
Impact of acquisitions and related measurement period adjustments	663
Impairment	0
Currency translation	0
Ending balance	318,125
Goodwill	318,125
Accumulated impairment loss	0
Goodwill	$ 318,125