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Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Aug. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
The components of accumulated other comprehensive income (loss), net of tax, are as follows as of August 31 (in thousands):

 
2012
 
2011
Foreign currency translation adjustment
$
3,658

 
$
5,451

Pension obligations, net
(6,106
)
 
(3,886
)
Net unrealized loss on cash flow hedges
(141
)
 
(25
)
Total accumulated other comprehensive income (loss)
$
(2,589
)
 
$
1,540