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Other Assets (Tables)
 12 Months Ended
Jan. 31, 2015
Other Assets, Noncurrent [Abstract]  
Other Assets

 
 
 
 
 
2014
 
2013
  
 
(in millions)
Restricted cash(1)
 
$
22
 
 
$
25
 
Pension asset
 
 
13
 
 
 
4
 
Auction rate security
 
 
6
 
 
 
6
 
Deferred tax costs
 
 
5
 
 
 
7
 
Funds deposited in insurance trust(2)
 
 
4
 
 
 
6
 
Other
 
 
24
 
 
 
28
 
  
 
$
74
 
 
$
76
 
(1)
Restricted cash is comprised of amounts held in escrow in connection with various leasing arrangements in Europe.
(2)
The Company is required by its insurers to collateralize part of the self-insured workers’ compensation and liability claims. The Company has chosen to satisfy these collateral requirements by depositing funds in insurance trusts.