CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Jul. 24, 2015	Apr. 24, 2015
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock shares authorized	100,000,000	100,000,000
Common Stock shares issued	42,638,000	42,638,000
Treasury stock, shares outstanding	20,286,000	19,231,000