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COMPONENTS OF OTHER COMPREHENSIVE INCOME (Tables)
3 Months Ended
Oct. 31, 2012
Stockholders' Equity Note [Abstract]  
Schedule of changes in the components of comprehensive income (loss)
 
Three Months Ended
 
Oct 31, 2012
 
Oct 31, 2011
Unrealized translation adjustment
$
34,503

 
$
(24,934
)
Income taxes
(751
)
 
802

Unrealized translation adjustment, net
$
33,752

 
$
(24,132
)
 
 
 
 
Pension liability adjustment
$
1,986

 
$
6,254

Income taxes
(798
)
 
(2,023
)
Pension liability adjustment, net
$
1,188

 
$
4,231

 
 
 
 
Change in unrealized investment gains/(losses)
$
588

 
$
(9,606
)
Income taxes
(181
)
 
3,458

Change in unrealized investment gains/(losses), net
$
407

 
$
(6,148
)
 
 
 
 
Change in unrealized gains/(losses) on derivatives
$
(2,122
)
 
$

Income taxes
170

 

Change in unrealized gains/(losses) on derivatives, net
$
(1,952
)
 
$

Schedule of the unrealized gains (losses) on available-for-sale securities, net of related taxes
Unrealized investment gains on available-for-sale securities, net of related income taxes, consist of the following:
 
Three Months Ended
 
Oct 31, 2012
 
Oct 31, 2011
Unrealized gains/(losses) arising during the period
$
778

 
$
(375
)
Income taxes
(249
)
 
(28
)
Net unrealized gains/(losses) arising during the period
529

 
(403
)
Reclassification adjustment for gains included in net earnings
(122
)
 
(5,745
)
Change in unrealized investment gains/(losses), net
$
407

 
$
(6,148
)