REVENUE, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Feb. 02, 2020
Disaggregation of Revenue [Abstract]
Revenue	$ 152,067	$ 159,736
IC [Member]
Disaggregation of Revenue [Abstract]
Revenue	104,956	106,978
High-end [Member]
Disaggregation of Revenue [Abstract]
Revenue	36,780	41,041
Mainstream [Member]
Disaggregation of Revenue [Abstract]
Revenue	68,176	65,937
FPD [Member]
Disaggregation of Revenue [Abstract]
Revenue	47,111	52,758
High-end [Member]
Disaggregation of Revenue [Abstract]
Revenue	34,645	39,770
Mainstream [Member]
Disaggregation of Revenue [Abstract]
Revenue	12,466	12,988
Taiwan [Member]
Disaggregation of Revenue [Abstract]
Revenue	56,590	66,114
Korea [Member]
Disaggregation of Revenue [Abstract]
Revenue	38,783	40,736
United States [Member]
Disaggregation of Revenue [Abstract]
Revenue	26,604	25,067
China [Member]
Disaggregation of Revenue [Abstract]
Revenue	20,997	19,900
Europe [Member]
Disaggregation of Revenue [Abstract]
Revenue	8,575	7,543
All Other Asia [Member]
Disaggregation of Revenue [Abstract]
Revenue	518	376
Over Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	141,284	137,696
At a Point in Time [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 10,783	$ 22,040