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Computer Equipment, Software, Furniture and Leasehold Improvements, Net (Tables)
3 Months Ended
Apr. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Computer equipment, software, furniture, leasehold improvements and the related accumulated depreciation were as follows:
 
 
April 30, 2013
 
January 31, 2013
Computer software, at cost
$
96.2

 
$
95.1

Computer hardware, at cost
156.2

 
152.3

Leasehold improvements, land and buildings, at cost
169.3

 
152.4

Furniture and equipment, at cost
48.2

 
46.0

 
469.9

 
445.8

Less: Accumulated depreciation
(340.9
)
 
(330.9
)
Computer software, hardware, leasehold improvements, furniture
and equipment, net
$
129.0

 
$
114.9