Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data
Total
Common Stock
Retained Earnings
Accumulated Other Comprehensive Income, Net
Beginning Balance, Shares at Apr. 30, 2010   45,979,000    
Beginning Balance at Apr. 30, 2010 $ 491,871 $ 388,717 $ 90,220 $ 12,934
Comprehensive income 71,600   58,874 12,726
Exercise of warrants, Shares   274,000    
Exercise of warrants 2,983 2,983    
Purchase of stock, shares   (934,000)    
Purchase of stock (13,844) (13,844)    
Issuance of stock (in shares)   1,684,000    
Issuance of stock 10,084 10,084    
Stock-based compensation 15,476 15,476    
Tax benefit from exercise of stock options 1,287 1,287    
Payment of dividends by majority owned consolidated subsidiaries (600)   (600)  
Ending Balance, Shares at Apr. 30, 2011   47,003,000    
Ending Balance at Apr. 30, 2011 578,857 404,703 148,494 25,660
Comprehensive income 35,834   54,303 (18,469)
Purchase of stock, shares   (190,000)    
Purchase of stock (4,215) (4,215)    
Issuance of stock (in shares)   1,100,000    
Issuance of stock 4,371 4,371    
Stock-based compensation 13,475 13,475    
Tax benefit from exercise of stock options 1,664 1,664    
Ending Balance, Shares at Apr. 30, 2012 47,913,000 47,913,000    
Ending Balance at Apr. 30, 2012 629,986 419,998 202,797 7,191
Comprehensive income 23,471   33,293 (9,822)
Purchase of stock, shares   (197,000)    
Purchase of stock (2,838) (2,838)    
Issuance of stock (in shares)   1,018,000    
Issuance of stock 2,134 2,134    
Stock-based compensation 11,920 11,920    
Tax benefit from exercise of stock options 294 294    
Ending Balance, Shares at Apr. 30, 2013 48,734,000 48,734,000    
Ending Balance at Apr. 30, 2013 $ 664,967 $ 431,508 $ 236,090 $ (2,631)