The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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SHAREHOLDERS' EQUITY (Details Textuals) (USD $) In Millions, except Share data, unless otherwise specified					12 Months Ended
	Oct. 31, 2012	Apr. 25, 2012	Apr. 26, 2011	Apr. 27, 2010	Oct. 31, 2012 Common Stock [Member]	Oct. 31, 2011 Common Stock [Member]	Oct. 31, 2010 Common Stock [Member]	Oct. 31, 2012 Common Class A [Member]	Oct. 31, 2011 Common Class A [Member]	Oct. 31, 2010 Common Class A [Member]
Acquisition Rate that Makes Shareholder Rights Agreement Exercisable or Transferable	15.00%
Preferred stock, redemption price per share (in dollars per share)	$ 0.01
Repurchase of common stock, shares (in shares)					3,046	336,053	27,464	6,008	27,874	4,083
Repurchase of common stock, amounts (in dollars)					$ 0.1	$ 13.6	$ 0.6	$ 0.2	$ 0.7	$ 0.1
Stock dividend rate percentage		25.00%	25.00%	25.00%
Stock repurchase program, number of shares authorized to be repurchased (in shares)	2,001,450