Net Income (Loss) Per Common Share (Schedule Of Calculations Of Net Income (Loss) Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jan. 25, 2013	Jan. 27, 2012
Net Income (Loss) Per Common Share [Abstract]
Net income (loss)	$ 55,029	$ 55,782
Weighted-average common shares outstanding - basic	89,477,591	92,861,129
Net Income (Loss) per Common Share - Basic	$ 0.62	$ 0.60
Diluted effect of stock options and unvested restricted stock	2,919,837	2,624,225
Equivalent average common shares outstanding - diluted	92,397,428	95,485,354
Net Income per Common Share - Diluted	$ 0.60	$ 0.58
Antidilutive securities excluded from the computation of EPS	213,210	326,044