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Selected Quarterly Financial Data (unaudited) (Tables)
12 Months Ended
Jan. 31, 2019
Quarterly Financial Information Disclosure [Abstract]  
Consolidated Statements of Operations Data
The following tables set forth selected unaudited quarterly consolidated statements of operations data for each of the eight quarters in fiscal 2019 and 2018 (in thousands except per share data): 
 
Quarter ended
 
January 31, 2019
 
October 31, 2018
 
July 31, 2018
 
April 30, 2018
 
January 31, 2018
 
October 31, 2017
 
July 31, 2017
 
April 30, 2017
Consolidated Statements of Operations Data:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total revenues
$
788,628

 
$
743,189

 
$
671,720

 
$
618,643

 
$
582,480

 
$
555,389

 
$
525,320

 
$
479,861

Operating loss
(120,283
)
 
(182,755
)
 
(88,982
)
 
(71,264
)
 
(81,335
)
 
(80,059
)
 
(81,629
)
 
(60,200
)
Net loss
(104,361
)
 
(153,331
)
 
(86,156
)
 
(74,410
)
 
(89,100
)
 
(85,546
)
 
(82,532
)
 
(64,044
)
Net loss per share, basic and diluted
(0.47
)
 
(0.70
)
 
(0.40
)
 
(0.35
)
 
(0.42
)
 
(0.41
)
 
(0.40
)
 
(0.31
)