Condensed Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2016	Jun. 28, 2015	Jun. 26, 2016	Jun. 28, 2015
NET SALES	$ 182,709	$ 183,940	$ 368,774	$ 357,669
Cost of sales	153,012	162,455	311,332	323,089
Restructuring Charges	157	1,565	187	3,438
Cost of Goods Sold, Including Restructuring Costs	153,169	164,020	311,519	326,527
GROSS PROFIT	29,540	19,920	57,255	31,142
Selling, general and administrative expenses	10,000	8,881	18,993	16,433
INCOME (LOSS) FROM OPERATIONS	19,540	11,039	38,262	14,709
Interest income, net	79	57	111	142
Other income (expense), net	(372)	(362)	(105)	(544)
INCOME (LOSS) BEFORE INCOME TAXES	19,247	10,734	38,268	14,307
Income tax (provision) benefit	(6,082)	(4,200)	(10,640)	(3,439)
NET INCOME (LOSS)	$ 13,165	$ 6,534	$ 27,628	$ 10,868
INCOME (LOSS) PER SHARE - BASIC	$ 0.52	$ 0.24	$ 1.08	$ 0.41
INCOME (LOSS) PER SHARE - DILUTED	0.52	0.24	1.08	0.40
DIVIDENDS DECLARED PER SHARE	$ 0.18	$ 0.18	$ 0.36	$ 0.36