OTHER BALANCE SHEET DETAILS (Tables)

6 Months Ended

Apr. 30, 2017

Balance Sheet Related Disclosures [Abstract]

As of the dates indicated, other long-term assets are comprised of the following (in thousands):



	April 30, 2017		October 31, 2016
Maintenance spares, net	$	48,447	$	49,535
Deferred debt issuance costs, net ⁽¹⁾	1,202		1,363
Financing receivable	—		1,870
Other	15,542		15,352
	$	65,191	$	68,120

(1) As described in Note 2 above, in connection with Ciena's adoption of ASU 2015-03 effective January 31, 2017, deferred debt issuance costs associated with its convertible notes and term loans were retrospectively reclassified from other long-term assets to current portion of long-term debt and long-term debt, net on the Condensed Consolidated Balance Sheets. The deferred debt issuance costs reflected relate to Ciena's ABL Credit Facility (described in Note 17 below). The amortization of deferred debt issuance costs for Ciena's ABL Credit Facility is included in interest expense, and was $0.2 million and $0.3 million during the first six months of fiscal 2017 and 2016, respectively.

Accrued liabilities

As of the dates indicated, accrued liabilities and other short-term obligations are comprised of the following (in thousands):



	April 30, 2017		October 31, 2016
Compensation, payroll related tax and benefits	$	71,567	$	106,687
Warranty	46,025		52,324
Vacation	40,317		36,112
Capital lease obligations	2,716		2,321
Interest payable	4,312		4,649
Other	97,545		108,260
	$	262,482	$	310,353

Accrued warranty

The following table summarizes the activity in Ciena’s accrued warranty for the fiscal periods indicated (in thousands):



Six months ended	Beginning					Ending
April 30,	Balance		Provisions	Settlements		Balance
2016	$	56,654	9,563	(10,196	)	$	56,021
2017	$	52,324	2,347	(8,646	)	$	46,025

Deferred revenue

As of the dates indicated, deferred revenue is comprised of the following (in thousands):



	April 30, 2017			October 31, 2016
Products	$	49,909		$	45,216
Services	136,954			137,647
	186,863			182,863
Less current portion	(105,514		)	(109,009		)
Long-term deferred revenue	$	81,349		$	73,854

Other liabilities

As of the dates indicated, other long-term obligations are comprised of the following (in thousands):



	April 30, 2017		October 31, 2016
Construction liability	$	33,157	$	57,602
Capital lease obligations	42,197		24,298
Income tax liability	14,001		14,122
Deferred tenant allowance	8,663		9,164
Straight-line rent	7,277		6,406
Forward starting interest rate swap	1,070		5,967
Other	6,889		6,835
	$	113,254	$	124,394

Future minimum lease payments under capital leases

The following is a schedule by fiscal year of future minimum lease payments under capital leases and the present value of minimum lease payments as of April 30, 2017 (in thousands):



Period ended October 31,
2017 (remaining six months)	$	2,966
2018	5,796
2019	5,378
2020	4,399
2021	4,292
Thereafter	51,284
Net minimum capital lease payments	74,115
Less: Amount representing interest	(29,202		)
Present value of minimum lease payments	44,913
Less: Current portion of present value of minimum lease payments	(2,716		)
Long-term portion of present value of minimum lease payments	$	42,197