Comprehensive Income
 9 Months Ended
Apr. 30, 2011
Comprehensive Income [Abstract]  
Comprehensive Income
NOTE C — Comprehensive Income
Total comprehensive income for the periods presented was a follows:
                                 
    Three Months Ended April 30,     Nine Months Ended April 30,  
    2011     2010     2011     2010  
 
                               
Net Income
  $ 28,589     $ 23,695     $ 79,069     $ 60,364  
Unrealized (loss) gain on cash flow hedges
    (315 )     110       (1,206 )     63  
Amortization of gain on post-retirement medical, dental and vision plan
    (31 )     (63 )     (126 )     (208 )
Foreign currency translation adjustments
    30,512       (1,758 )     60,267       4,092  
 
                       
Total comprehensive income
  $ 58,755     $ 21,984     $ 138,004     $ 64,311  
 
                       
The increase in total comprehensive income for the quarter ended April 30, 2011 as compared to April 30, 2010 was primarily due to the depreciation of the U.S. dollar against other currencies.