Condensed Consolidated Income Statements (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 25, 2011	Sep. 26, 2010	Sep. 25, 2011	Sep. 26, 2010
NET SALES	$ 207,057	$ 183,712	$ 605,325	$ 528,470
Cost of sales	194,482	163,994	556,326	468,232
GROSS PROFIT	12,575	19,718	48,999	60,238
Selling, general and administrative expenses	6,607	8,337	19,653	21,886
Impairments of long-lived assets and other charges	0	0	340	0
INCOME FROM OPERATIONS	5,968	11,381	29,006	38,352
Loss on sale of unconsolidated affiliate	0	0	0	(4,110)
Interest income, net	247	727	896	1,408
Other income (expense), net	(1,091)	493	34	(713)
INCOME BEFORE INCOME TAXES AND EQUITY EARNINGS	5,124	12,601	29,936	34,937
Provision for income taxes	(896)	(2,204)	(2,954)	(2,705)
Equity in losses of unconsolidated affiliates	0	0	0	(2,847)
NET INCOME	$ 4,228	$ 10,397	$ 26,982	$ 29,385
INCOME PER SHARE - BASIC	$ 0.16	$ 0.39	$ 1	$ 1.10
INCOME PER SHARE - DILUTED	$ 0.16	$ 0.39	$ 0.99	$ 1.1
DIVIDENDS DECLARED PER SHARE	$ 0.16	$ 0.16	$ 0.48	$ 0.48