Net Income Per Common Share (Schedule Of Calculations Of Net Income (Loss) Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jan. 27, 2017	Jan. 29, 2016
Earnings Per Share [Abstract]
Net income	$ 40,747	$ 52,431
Weighted-average common shares outstanding - basic (in shares)	79,269,937	78,760,765
Net income per common share - basic (in dollars per share)	$ 0.51	$ 0.67
Diluted effect of stock options and unvested restricted stock (in shares)	2,071,440	1,851,537
Weighted-average common shares outstanding - diluted (in shares)	81,341,377	80,612,302
Net income per common share - diluted (in dollars per share)	$ 0.50	$ 0.65