Condensed Consolidated Income Statements (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Income Statement [Abstract]
Net Sales	$ 179,753	$ 175,915
Cost of Sales
Cost of goods sold	144,683	143,062
Gross Profit	35,070	32,853
Selling, General and Administrative Expenses	21,087	22,551
Operating Income	13,983	10,302
Interest Expense	7,125	7,823
Income Before Taxes	6,858	2,479
Income Tax Expense (Benefit)	2,229	(1,228)
Net Income	$ 4,629	$ 3,707
Earnings Per Share
Basic earnings (loss) per share (in dollars per share)	$ 0.43	$ 0.35
Diluted earnings (loss) per share (in dollars per share)	$ 0.42	$ 0.35
Weighted-Average Number of Common Shares Outstanding
Basic (in shares)	10,844	10,600
Diluted (in shares)	11,107	10,670