OTHER BALANCE SHEET DETAILS (Tables)

6 Months Ended

Apr. 30, 2016

Balance Sheet Related Disclosures [Abstract]

Other long-term assets

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

	April 30, 2016		October 31, 2015
Maintenance spares, net	$	54,441	$	55,259
Deferred debt issuance costs, net	12,608		10,820
Financing receivable	—		10,107
Other	10,002		8,470
	$	77,051	$	84,656

Accrued liabilities

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

	April 30, 2016		October 31, 2015
Compensation, payroll related tax and benefits	$	75,444	$	109,466
Warranty	56,021		56,654
Vacation	38,285		34,189
Capital lease obligations	3,135		4,923
Interest payable	5,265		5,389
Other	104,946		105,662
	$	283,096	$	316,283

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
2015	$	55,997	7,658	(9,696	)	$	53,959
2016	$	56,654	9,563	(10,196	)	$	56,021

Deferred revenue

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

	April 30, 2016			October 31, 2015
Products	$	49,191		$	66,527
Services	137,841			122,546
	187,032			189,073
Less current portion	(116,799		)	(126,111		)
Long-term deferred revenue	$	70,233		$	62,962

Other liabilities

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

	April 30, 2016		October 31, 2015
Construction liability	$	42,337	$	18,663
Capital lease obligations	25,070		13,794
Income tax liability	12,244		13,308
Deferred tenant allowance	9,553		9,807
Straight-line rent	6,749		6,237
Forward starting interest rate swap	5,428		5,522
Other	5,436		5,209
	$	106,817	$	72,540

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, 2016 (in thousands):

Period ended October 31,
2016 (remaining six months)	$	3,196
2017	3,446
2018	3,108
2019	2,896
2020	2,550
Thereafter	32,002
Net minimum capital lease payments	47,198
Less: Amount representing interest	(18,993		)
Present value of minimum lease payments	28,205
Less: Current portion of present value of minimum lease payments	(3,135		)
Long-term portion of present value of minimum lease payments	$	25,070