Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net of Accumulated Depreciation (Details)

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Property and Equipment, Net of Accumulated Depreciation (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
May 31, 2013
May 31, 2012
May 31, 2011
Components of property and equipment, at cost      
Land and improvements $ 8.1 $ 7.0  
Buildings and improvements 99.2 96.8  
Data processing equipment 175.6 212.3  
Software 290.1 263.5  
Furniture, fixtures, and equipment 145.2 154.2  
Leasehold improvements 99.5 96.0  
Construction in progress 32.8 28.2  
Total property and equipment, gross 850.5 858.0  
Less: Accumulated depreciation and amortization 504.5 533.7  
Property and equipment, net of accumulated depreciation 346.0 324.3  
Property and Equipment, Net of Accumulated Depreciation (Textual)      
Depreciation expense $ 79.2 $ 74.8 $ 68.4