GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 28, 2012	Jul. 29, 2012	Apr. 29, 2012	Jan. 29, 2012	Oct. 30, 2011	Jul. 31, 2011	May 01, 2011	Jan. 30, 2011	Oct. 28, 2012	Oct. 30, 2011	Oct. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 104,218	$ 116,616	$ 117,451	$ 112,154	$ 122,159	$ 135,935	$ 133,103	$ 120,823	$ 450,439	$ 512,020	$ 425,554
Long-lived assets	380,808				368,680				380,808	368,680	369,814
Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									161,154	171,327	143,371
Long-lived assets	120,628				119,855				120,628	119,855	131,802
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									135,170	158,005	123,753
Long-lived assets	177,614				159,845				177,614	159,845	134,349
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									109,232	122,070	101,189
Long-lived assets	72,185				77,367				72,185	77,367	88,323
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									40,653	46,613	41,850
Long-lived assets	10,262				10,879				10,262	10,879	14,182
All Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									4,230	14,005	15,391
Long-lived assets	119				734				119	734	1,158
IC [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									350,105	391,158	329,767
FPD [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 100,334	$ 120,862	$ 95,787
Samsung Electronics Co., Ltd. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of net sales accounted for by significant customer									22.00%	20.00%	19.00%