Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Revenue from External Customer [Line Items]
Revenues	$ 339,905	$ 325,034	$ 873,464	$ 852,379
Vinyl Windows [Member]
Revenue from External Customer [Line Items]
Revenues	100,869	95,844	271,063	261,201
Vinyl Siding Products [Member]
Revenue from External Customer [Line Items]
Revenues	64,457	66,708	165,317	175,340
Metal Products [Member]
Revenue from External Customer [Line Items]
Revenues	50,132	51,691	128,129	133,923
Third-Party Payor [Member]
Revenue from External Customer [Line Items]
Revenues	95,475	87,714	235,758	223,794
Other Products and Services [Member]
Revenue from External Customer [Line Items]
Revenues	$ 28,972	$ 23,077	$ 73,197	$ 58,121