JOINT VENTURE, TECHNOLOGY LICENSE AND OTHER AGREEMENTS WITH MICRON TECHNOLOGY, INC (Details) (USD $)	1 Months Ended		3 Months Ended			9 Months Ended
	May 31, 2009	May 31, 2006	Jul. 29, 2012	Apr. 29, 2012	Jul. 31, 2011	Jul. 29, 2012	Jul. 31, 2011	Oct. 30, 2011
Variable Interest Entity [Line Items]
Investment in joint venture		$ 64,200,000	$ 93,271,000			$ 93,271,000		$ 79,984,000
Ownership percentage in MP Mask (in hundredths)		49.99%
Cost of sales			1,600,000		6,500,000	5,700,000	14,800,000
Research and development expenses			200,000		200,000	700,000	700,000
Additional investment in joint venture			7,400,000		500,000	13,300,000	10,700,000
Maximum exposure to loss from investment in VIE			93,300,000			93,300,000		80,000,000
Income from equity-method investee					0	0	600,000
Interest rate percentage (in hundredths)	8.00%
Quarterly lease payments	3,800,000
Reduced quarterly lease payments	2,000,000
Capital leased assets reductions	28,000,000
Payment to purchase U.S. nanoFab facility				35,000,000
Amount of debt				25,000,000
Term Loan [Member]
Variable Interest Entity [Line Items]
Amount of debt			25,000,000			25,000,000
MP Mask [Member]
Variable Interest Entity [Line Items]
Investments in MP Mask and other agreements		$ 135,000,000