Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Revenue from External Customer [Line Items]
Net sales	$ 324,575	$ 314,391	$ 533,559	$ 527,345
Vinyl Windows [Member]
Revenue from External Customer [Line Items]
Net sales	102,559	98,469	170,194	165,357
Vinyl Siding Products [Member]
Revenue from External Customer [Line Items]
Net sales	61,123	65,274	100,860	108,632
Metal Products [Member]
Revenue from External Customer [Line Items]
Net sales	46,136	46,565	77,997	82,232
Third-Party Payor [Member]
Revenue from External Customer [Line Items]
Net sales	89,268	83,986	140,284	136,080
Other Products and Services [Member]
Revenue from External Customer [Line Items]
Net sales	$ 25,489	$ 20,097	$ 44,224	$ 35,044