Segment Information - Revenues from External Customers (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	$ 239,942	$ 227,835	$ 642,836	$ 630,241
Home Improvement Retailers
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	54,934	57,449	135,000	145,995
Rural Contractors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	46,974	44,029	103,001	97,932
Original Equipment Manufacturers (OEM's)
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	46,033	45,474	158,330	149,791
Industrial and Architectural Contractors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	38,168	37,926	110,410	112,721
Distributors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	31,043	25,096	73,296	67,121
Home Improvement Contractors
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	13,918	11,546	37,275	31,971
Manufactured Housing
Revenue from External Customer [Line Items]
Sales Revenue, Goods, Net	$ 8,872	$ 6,315	$ 25,524	$ 24,710