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Commitments and Contingencies (Tables)
12 Months Ended
Jan. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Aggregate Future Minimum Lease Payments
At January 31, 2015, the aggregate future minimum lease payments required were as follows:
 
 
2016
$
55.4

2017
47.3

2018
40.7

2019
29.1

2020
19.5

Thereafter
32.6

 
224.6

Less: Sublease income
1.9

 
$
222.7

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,
 
2015
 
2014
 
2013
Rent expense
$
55.0

 
$
50.2

 
$
56.1