Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010
Consolidated Statements Of Earnings
Net sales	$ 98,268	$ 117,075	$ 207,154	$ 223,475
Cost of sales	77,603	90,558	164,535	172,371
Gross profit	20,665	26,517	42,619	51,104
Selling and general expenses	4,294	3,311	9,109	7,833
Operating profit	16,371	23,206	33,510	43,271
Other income	485	636	1,025	1,389
Earnings before provision for income taxes	16,856	23,842	34,535	44,660
Income tax provision	6,039	8,867	12,355	16,486
Net earnings	$ 10,817	$ 14,975	$ 22,180	$ 28,174
Weighted average shares outstanding:
Basic	6,871	6,862	6,868	6,860
Diluted	6,874	6,863	6,871	6,861
Net earnings per share:
Basic	$ 1.57	$ 2.18	$ 3.23	$ 4.11
Diluted	$ 1.57	$ 2.18	$ 3.23	$ 4.11
Cash dividends declared and paid per common share			$ 8.25	$ 8.15