Business Segments (Tables) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Revenue from External Customer [Line Items]
Revenues	$ 339,787	$ 353,742	$ 891,402	$ 870,206
Vinyl Windows [Member]
Revenue from External Customer [Line Items]
Revenues	115,637	113,807	315,278	289,837
Vinyl Siding Products [Member]
Revenue from External Customer [Line Items]
Revenues	59,593	66,511	153,111	160,233
Metal Products [Member]
Revenue from External Customer [Line Items]
Revenues	44,022	47,562	114,266	115,369
Third-Party Payor [Member]
Revenue from External Customer [Line Items]
Revenues	85,521	91,717	213,991	218,912
Other Products and Services [Member]
Revenue from External Customer [Line Items]
Revenues	$ 35,014	$ 34,145	$ 94,756	$ 85,855