CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) (USD $)	3 Months Ended			9 Months Ended			12 Months Ended
	Jul. 31, 2011	Jul. 25, 2010		Jul. 31, 2011	Jul. 25, 2010		Oct. 31, 2010
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' INVESTMENT
Declared cash dividends (in dollars per share)	$ 0.1275	$ 0.105	[1]	$ 0.3825	$ 0.315	[1]	$ 0.42	[2]

[1] Shares and per share figures have been restated to reflect the two-for-one stock split effected February 1, 2011.

[2] Per share figures have been restated to reflect the two-for-one stock split effected February 1, 2011.