CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)	Jan. 25, 2013		Apr. 27, 2012
Balance Sheet Paentheticals [Abstract]
Common Stock Par Value	$ 0.01	[1]	$ 0.01
Common Stock shares authorized	100,000,000	[1]	100,000,000
Common Stock shares issued	42,638,118	[1]	42,638,118
Treasury stock shares outstanding	14,759,302	[1]	14,027,663

[1] Unaudited