Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified			3 Months Ended	12 Months Ended		12 Months Ended					3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014 SPAIN subsidiary	Jan. 31, 2013 SPAIN	Jan. 31, 2014 SPAIN Accrued Expenses and Other Liabilities	Jan. 31, 2013 SPAIN Litigation Charge	Jan. 31, 2013 SPAIN Interest Expense	Jan. 31, 2014 Operating Leases	Jan. 31, 2013 Operating Leases	Jan. 31, 2012 Operating Leases	Jan. 31, 2014 2013 Synthetic Lease property	Jan. 31, 2014 2013 Synthetic Lease Minimum	Jan. 31, 2014 2013 Synthetic Lease Maximum	Jan. 31, 2014 2013 Synthetic Lease Option One property	Jan. 31, 2014 2013 Synthetic Lease Option Two property	Jan. 31, 2014 2013 Synthetic Lease Option Three property
Loss Contingencies [Line Items]
Rental expense for operating leases								$ 55.5	$ 51.5	$ 56.5
Minimum number of days' notice to opt for purchase during lease, days											30 days
Number of properties subject to purchase options during lease period											1
Option expiration, days until lease expiration, days												270 days	360 days
Minimum number of properties, for which an option needs to be elected														2
Number of properties, subject to options on lease expiration															2	2
Residual value guarantee, aggregate amount											133.8
Future annual lease payments											2.7
Number of subsidiaries subject to audit			1
Increase in accrual for value added tax matters				41.0		29.5	11.5
Value added tax payable	233.9	236.0			56.4
CIDE tax	25.3
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 13.4	$ 31.3