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Other Assets (Tables)
3 Months Ended
Apr. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Assets
Other assets consisted of the following (in thousands):
 
April 30, 2018
 
January 31, 2018
Non-marketable equity and other investments
$
31,605

 
$
29,205

Prepayments for computing infrastructure platform
11,403

 
13,588

Technology patents, net
10,790

 
11,217

Acquired land leasehold interest, net
9,544

 
9,570

Deposits
4,731

 
4,492

Net deferred tax assets
2,097

 
1,884

Other
40,768

 
39,762

Total
$
110,938

 
$
109,718