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FORM 10-Q
EX-31.1
EX-31.2
EX-32.1
EX-32.2
Comprehensive Income (Tables)
9 Months Ended
Apr. 30, 2012
Comprehensive Income [Abstract]
Schedule Of Comprehensive Income
Three Months Ended
April 30,
Nine Months Ended
April 30,
2012
2011
2012
2011
Net income
$
41,341
$
40,008
$
77,379
$
69,384
Change in temporary impairment of investments, net of tax
10
3
(5)
158
Comprehensive income
$
41,351
$
40,011
$
77,374
$
69,542