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COMPREHENSIVE INCOME
 9 Months Ended
Apr. 30, 2012
Stockholders' Equity Note [Abstract]  
COMPREHENSIVE INCOME
COMPREHENSIVE INCOME
 
Three Months Ended
 
Nine Months Ended
 
Apr 30, 2012
 
Apr 30, 2011
 
Apr 30, 2012
 
Apr 30, 2011
Net earnings
$
78,918

 
$
71,069

 
$
233,102

 
$
218,142

Unrealized translation adjustment
11,557

 
62,204

 
(54,113
)
 
100,481

Income taxes
(2,563
)
 
3,008

 
(2,873
)
 
6,941

Unrealized translation adjustment, net
8,994

 
65,212

 
(56,986
)
 
107,422

Pension liability adjustment
(477
)
 
424

 
12,890

 
4,956

Income taxes
1,382

 
(347
)
 
(4,200
)
 
(1,823
)
Pension liability adjustment, net
905

 
77

 
8,690

 
3,133

Change in unrealized investment (losses)/gains
(763
)
 
1,699

 
(9,557
)
 
2,259

Income taxes
215

 
(611
)
 
3,419

 
(812
)
Change in unrealized investment (losses)/gains, net
(548
)
 
1,088

 
(6,138
)
 
1,447

Total comprehensive income
$
88,269

 
$
137,446

 
$
178,668

 
$
330,144


Unrealized investment gains on available-for-sale securities, net of related income taxes, consist of the following:
 
Three Months Ended
 
Nine Months Ended
 
Apr 30, 2012
 
Apr 30, 2011
 
Apr 30, 2012
 
Apr 30, 2011
Unrealized (losses)/gains arising during the period
$
(506
)
 
$
1,699

 
$
(103
)
 
$
2,259

Income taxes
161

 
(611
)
 
(109
)
 
(812
)
Net unrealized (losses)/gains arising during the period
(345
)
 
1,088

 
(212
)
 
1,447

Reclassification adjustment for gains included in net earnings
(203
)
 
—

 
(5,926
)
 
—

Change in unrealized investment (losses)/gains, net
$
(548
)
 
$
1,088

 
$
(6,138
)
 
$
1,447