Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017
Net sales	$ 107,417	$ 101,159	$ 205,158	$ 195,047
Cost of sales	92,001	82,865	178,081	163,743
Gross profit	15,416	18,294	27,077	31,304
Selling, general and administrative expense	7,475	7,055	13,238	13,319
Restructuring charges		25		73
Other expense, net	166	10	185
Interest expense	23	35	51	69
Interest income	(53)	(48)	(129)	(100)
Earnings before income taxes	7,805	11,217	13,732	17,943
Income taxes	1,926	3,797	(258)	6,063
Net earnings	$ 5,879	$ 7,420	$ 13,990	$ 11,880
Net earnings per share:
Basic (in dollars per share)	$ 0.31	$ 0.39	$ 0.73	$ 0.63
Diluted (in dollars per share)	$ 0.31	$ 0.39	$ 0.73	$ 0.62
Weighted average shares outstanding:
Basic (in shares)	19,052	19,004	19,047	18,992
Diluted (in shares)	19,258	19,224	19,241	19,217
Cash dividends declared per share (in dollars per share)	$ 0.03	$ 0.03	$ 1.06	$ 1.31
Comprehensive income	$ 5,879	$ 7,420	$ 13,990	$ 11,880