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Financing Arrangements (Tables)
12 Months Ended
Jan. 31, 2014
Debt Disclosure [Abstract]  
Future minimum lease payments under non-cancelable operating leases
Future minimum lease payments under non-cancelable operating leases are as follows:
 
 
2015
 
2016
 
2017
 
2018
 
2019
 
Thereafter
Minimum lease payments
 
$
1,455

 
$
1,161

 
$
287

 
$
201

 
$
80

 
$
160