CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Apr. 28, 2012	Apr. 30, 2011
Receivables, allowance for doubtful accounts	$ 7,831	$ 8,365
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	600,000	600,000
Common stock, issued shares	109,920	121,100
Common stock, outstanding shares	109,920	121,100