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Commitments and Contingencies (Tables)
12 Months Ended
Jan. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Aggregate Future Minimum Lease Payments
At January 31, 2013, the aggregate future minimum lease payments required were as follows:

 
 
2014
$
58.9

2015
53.6

2016
44.8

2017
36.1

2018
32.7

Thereafter
63.2

 
289.3

Less: Sublease income
1.8

 
$
287.5

Rent Expense Related to Operating Leases
Rent expense related to these operating leases recognized on a straight-line basis over the lease period, was as follows:

 
Fiscal Year Ended January 31,
 
2013
 
2012
 
2011
Rent expense
$
56.1

 
$
53.0

 
$
52.1