REVENUE, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 27, 2019	Jan. 28, 2018
Disaggregation of Revenue [Abstract]
Revenue	$ 124,712	$ 123,446
Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	120,845
At a Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	3,867
Taiwan [Member]
Disaggregation of Revenue [Abstract]
Revenue	57,740
Korea [Member]
Disaggregation of Revenue [Abstract]
Revenue	35,237
United States [Member]
Disaggregation of Revenue [Abstract]
Revenue	22,472
Europe [Member]
Disaggregation of Revenue [Abstract]
Revenue	8,354
Other [Member]
Disaggregation of Revenue [Abstract]
Revenue	909
IC [Member]
Disaggregation of Revenue [Abstract]
Revenue	94,880
High-end [Member]
Disaggregation of Revenue [Abstract]
Revenue	34,566
Mainstream [Member]
Disaggregation of Revenue [Abstract]
Revenue	60,314
FPD [Member]
Disaggregation of Revenue [Abstract]
Revenue	29,832
High-end [Member]
Disaggregation of Revenue [Abstract]
Revenue	21,466
Mainstream [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 8,366