Prepaid expenses and other current assets consisted of the following (in thousands):

	October 31,		January 31,
	2018		2018
Prepaid expenses	$	11,652	$	8,494
Other current assets		3,385		2,897
Total prepaid expenses and other current assets	$	15,037	$	11,391

	October 31,			January 31,
	2018			2018
Servers	$	195,594		$	170,422
Leasehold improvements		76,789			72,599
Computer hardware and software		19,711			14,558
Furniture and fixtures		13,625			14,254
Construction in progress		14,867			7,348
Total property and equipment		320,586			279,181
Less: accumulated depreciation		(187,212	)		(155,204	)
Total property and equipment, net	$	133,374		$	123,977

As of October 31, 2018, the gross carrying amount of property and equipment included $100.7 million of servers and $5.7 million of construction in progress acquired under capital leases, and the accumulated depreciation of property and equipment acquired under these capital leases was $47.1 million. As of January 31, 2018, the gross carrying amount of property and equipment included $74.7 million of servers and related equipment and $3.7 million of construction in progress acquired under capital leases, and the accumulated depreciation of property and equipment acquired under these capital leases was $29.1 million.

Depreciation expense related to property and equipment was $11.4 million and $9.9 million for the three months ended October 31, 2018 and 2017, respectively, and $34.7 million and $28.8 million for the nine months ended October 31, 2018 and 2017, respectively. Included in these amounts was depreciation expense for servers acquired under capital leases in the amount of $6.6 million and $4.9 million for the three months ended October 31, 2018 and 2017, respectively and $19.0 million and $13.3 million for nine months ended October 31, 2018 and 2017, respectively. Construction in progress primarily consists of servers and networking equipment and storage infrastructure being provisioned in our datacenter facilities. In addition, the amounts of interest capitalized to property and equipment were not material for the three and nine months ended October 31, 2018 and 2017.

	October 31,		January 31,
	2018		2018
Deposits, non-current	$	2,593	$	2,934
Other assets, non-current		4,936		2,469
Other long-term assets	$	7,529	$	5,403

As of October 31, 2018, we capitalized $1.3 million in qualifying costs to develop software for internal use associated with the development of additional significant features and functionality to our products as part of other long-term assets. There were no material qualifying costs as of January 31, 2018. We have not incurred any amortization of the capitalized amounts for any of the periods presented.

As of October 31, 2018, we capitalized $1.6 million in qualifying implementation costs incurred in a hosting arrangement that is a service contract, which is presented in the same line item as prepayment of the fees for the associated hosting arrangement in the condensed consolidated balance sheets. There were no material qualifying costs as of January 31, 2018. The amortization of the capitalized implementation cost is not material for any of the periods presented.