Organization and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Oct. 31, 2018

Accounting Policies [Abstract]

Schedule of Cash, Cash Equivalents and Restricted Cash

The following table presents cash, cash equivalents and restricted cash reported on the condensed consolidated balance sheets and the sums are presented on the condensed consolidated statements of cash flows:

	As of
	October 31, 2018		January 31, 2018		October 31, 2017		January 31, 2017
	(in thousands)
Cash and cash equivalents	$	212,338	$	346,672	$	320,933	$	322,872
Restricted cash		11		9		9		8
Total as presented in the consolidated statements of cash flows	$	212,349	$	346,681	$	320,942	$	322,880