Segment Information - Revenues from External Customers (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012	Sep. 30, 2011
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	$ 219,173	$ 246,780	$ 641,648	$ 714,017
Original Equipment Manufacturers (OEM's)
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	43,457	54,262	161,946	187,215
Home Improvement Retailers
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	51,806	62,537	139,740	155,842
Industrial and Architectural Contractors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	40,321	42,078	110,908	134,821
Rural Contractors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	43,116	41,882	107,412	101,934
Distributors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	23,917	26,788	68,807	75,283
Manufactured Housing
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	6,992	8,884	25,245	29,106
Home Improvement Contractors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	$ 9,564	$ 10,349	$ 27,590	$ 29,816