Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Apr. 30, 2013
Apr. 30, 2012
Allowance for doubtful accounts $ 9,097 $ 9,437
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 150,000 150,000
Common stock, shares issued 61,022 59,975
Common stock, shares outstanding 48,734 47,913