LONG-TERM BORROWINGS (Details) (USD $)			1 Months Ended		1 Months Ended	9 Months Ended		1 Months Ended				1 Months Ended	9 Months Ended			9 Months Ended		1 Months Ended	9 Months Ended		3 Months Ended		9 Months Ended
	Jul. 28, 2013	Oct. 28, 2012	Mar. 25, 2012 Credit Facility [Member]	Jul. 28, 2013 Credit Facility [Member]	Mar. 31, 2011 3.25% convertible senior notes due on April 1, 2016 [Member]	Jul. 28, 2013 3.25% convertible senior notes due on April 1, 2016 [Member]	Oct. 28, 2012 3.25% convertible senior notes due on April 1, 2016 [Member]	Aug. 31, 2013 Capital lease obligation payable through 2018 [Member]	Feb. 28, 2013 Capital lease obligation payable through 2018 [Member]	Jul. 28, 2013 Capital lease obligation payable through 2018 [Member]	Oct. 28, 2012 Capital lease obligation payable through 2018 [Member]	Sep. 30, 2009 5.5% convertible senior notes due on October 1, 2014 [Member]	Jul. 28, 2013 5.5% convertible senior notes due on October 1, 2014 [Member]	Oct. 28, 2012 5.5% convertible senior notes due on October 1, 2014 [Member]	Oct. 30, 2011 5.5% convertible senior notes due on October 1, 2014 [Member]	Jul. 28, 2013 Term Loan [Member]	Oct. 28, 2012 Term Loan [Member]	Apr. 30, 2011 3.09% capital lease obligation payable through March 2016 [Member]	Jul. 28, 2013 3.09% capital lease obligation payable through March 2016 [Member]	Oct. 28, 2012 3.09% capital lease obligation payable through March 2016 [Member]	Jul. 28, 2013 4.75% financing loan with customer [Member]	Jul. 29, 2012 4.75% financing loan with customer [Member]	Jul. 28, 2013 4.75% financing loan with customer [Member]	Jul. 29, 2012 4.75% financing loan with customer [Member]	Oct. 28, 2012 4.75% financing loan with customer [Member]	Jan. 31, 2010 4.75% financing loan with customer [Member]
Long-term borrowings [Abstract]
Long-term debt and capital lease obligations	$ 193,916,000	$ 176,737,000				$ 115,000,000	$ 115,000,000			$ 22,927,000	$ 0		$ 22,054,000	$ 22,054,000		$ 21,875,000	$ 23,750,000		$ 12,060,000	$ 15,175,000	$ 0		$ 0		$ 758,000
Less current portion	10,696,000	7,781,000
Long-term debt and capital lease obligations non current	183,220,000	168,956,000
Interest rate percentage (in hundredths)						3.25%		2.77%					5.50%						3.09%		4.75%		4.75%
Maturity date of debt						Apr. 01, 2016							Oct. 01, 2014			Mar. 01, 2017			Mar. 31, 2016
Reduction in interest rate (in hundredths)			0.25%
Original face amount of debt					115,000,000			26,400,000				57,500,000				25,000,000		21,200,000								3,700,000
Variable interest rate (in hundredths)				2.50%												2.50%
Periodic payments								500,000								600,000		400,000
Frequency of periodic payment								monthly payments								quarterly payments		monthly payments
Amortization period of debt																10 years
Repayment period of debt									5 years									5 years
Amount outstanding under credit facility				0
Remaining borrowing capacity under credit facility				30,000,000
Conversion price per share (in dollars per share)					$ 10.37							$ 5.08
Proceeds from notes payable, net					110,700,000							54,900,000
Capital lease obligations repaid					19,800,000
Face amount of each note converted					1,000							1,000
Number of shares each note is convertible to (in shares)					96.3879							196.7052
Face amount of debt repurchased															35,400,000
Amount payable through the end of lease term																			12,600,000
Interest included in lease payments																			500,000
Value of product shipped for repayment of loan																					$ 200,000	$ 400,000	$ 800,000	$ 900,000