Consolidated Statements of Shareholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Jul. 25, 2012	Jul. 25, 2012 Common Stock [Member]
Stock split, conversion ratio			2
Common stock, shares issued (in shares)	65,240,000	65,152,000		65,152	[1]
Treasury stock shares adjusted for stock split	(28,897,000)	(28,897,000)
Cash dividends (in usd per share)	$ 0.12	$ 0.21	$ 0.105
Reclassification of postretirement tax benefit	$ 16	$ 20

[1] These share and per share amounts do not reflect the July 2012 two-for-one stock split discussed in Note 1 to these unaudited consolidated financial statements. The adjusted common shares, treasury shares and dividends per share were 65,152, 28,897 and $0.105, respectively.