Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Net sales	$ 101,767,000	$ 91,436,000	$ 212,395,000	$ 178,654,000
Cost of sales	93,065,000	79,830,000	191,650,000	157,993,000
Gross profit	8,702,000	11,606,000	20,745,000	20,661,000
Selling, general and administrative expense	5,975,000	5,984,000	11,627,000	10,689,000
Restructuring charges	333,000		333,000	0
Other expense (income), net	(1,599,000)	228,000	(1,639,000)	196,000
Interest expense	114,000	57,000	208,000	113,000
Interest income	(4,000)	(1,000)	(4,000)	(6,000)
Earnings before income taxes	3,883,000	5,338,000	10,220,000	9,669,000
Income taxes	1,339,000	1,816,000	3,526,000	3,400,000
Net earnings	2,544,000	3,522,000	6,694,000	6,269,000
Net earnings per share:
Basic (in dollars per share)	$ 0.14	$ 0.19	$ 0.36	$ 0.34
Diluted (in dollars per share)	$ 0.14	$ 0.19	$ 0.36	$ 0.34
Weighted average shares outstanding:
Basic (in shares)	18,404	18,234	18,391	18,212
Diluted (in shares)	18,822	18,637	18,821	18,612
Cash dividends declared per share (in dollars per share)	$ 0.03	$ 0.03	$ 0.06	$ 0.06
Comprehensive income	$ 2,544,000	$ 3,522,000	$ 6,694,000	$ 6,269,000