Condensed Consolidated Income Statements (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 24, 2012	Jun. 26, 2011	Jun. 24, 2012	Jun. 26, 2011
NET SALES	$ 215,053	$ 208,734	$ 417,510	$ 398,268
Cost of sales	199,337	189,187	384,686	361,844
GROSS PROFIT	15,716	19,547	32,824	36,424
Selling, general and administrative expenses	7,490	6,354	14,375	13,046
Impairment of long-lived assets	0	340	0	340
INCOME FROM OPERATIONS	8,226	12,853	18,449	23,038
Interest income, net	216	358	516	649
Other income (expense), net	(4)	434	337	1,125
INCOME BEFORE INCOME TAXES	8,438	13,645	19,302	24,812
Income tax (provision) benefit	(2,024)	1,055	(6,155)	(2,058)
NET INCOME	$ 6,414	$ 14,700	$ 13,147	$ 22,754
INCOME PER SHARE - BASIC	$ 0.24	$ 0.54	$ 0.48	$ 0.84
INCOME PER SHARE - DILUTED	$ 0.23	$ 0.53	$ 0.48	$ 0.83
DIVIDENDS DECLARED PER SHARE	$ 0.16	$ 0.16	$ 0.32	$ 0.32