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		6 Months Ended
	Apr. 26, 2013	Apr. 27, 2012	Apr. 26, 2013	Apr. 27, 2012
Net Income (Loss) Per Common Share [Abstract]
Net income (loss)	$ 76,908	$ 76,540	$ 131,937	$ 132,322
Weighted-average common shares outstanding - basic	88,416,020	92,068,366	88,946,806	92,464,748
Net Income (Loss) per Common Share - Basic	$ 0.87	$ 0.83	$ 1.48	$ 1.43
Diluted effect of stock options and unvested restricted stock	2,749,725	3,026,003	2,835,101	2,877,801
Equivalent average common shares outstanding - diluted	91,165,745	95,094,369	91,781,907	95,342,549
Net Income per Common Share - Diluted	$ 0.84	$ 0.80	$ 1.44	$ 1.39
Antidilutive securities excluded from the computation of EPS	256,251	27,897	227,728	15,717