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Comprehensive (loss) income, net of tax
 9 Months Ended
Oct. 31, 2011
Comprehensive Income [Abstract]  
Comprehensive (loss) income [Text Block]
Comprehensive (loss) income, net of tax.
 
Three Months Ended October 31,
Nine Months Ended October 31,
 
2011

2010

2011

2010

Net income (loss)

$686


$3,565


($2,643
)

$5,963

Interest rate swap
5

(257
)
122

(565
)
Foreign currency translation adjustments
(741
)
934

(260
)
907

Comprehensive (loss) income

($50
)

$4,242


($2,781
)

$6,305