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Commitments and Contingencies (Tables)
12 Months Ended
Jan. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Aggregate Future Minimum Lease Payments
At January 31, 2016, the aggregate future minimum lease payments required were as follows:
 
 
2017
$
61.0

2018
54.8

2019
43.1

2020
26.2

2021
18.0

Thereafter
51.2

 
254.3

Less: Sublease income
1.6

 
$
252.7

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,
 
2016
 
2015
 
2014
Rent expense
$
58.7

 
$
55.0

 
$
50.2