Other Balance Sheet Details (Tables)

12 Months Ended

Oct. 31, 2015

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):

	October 31,
	2014		2015
Maintenance spares inventory, net	$	54,101	$	55,259
Deferred debt issuance costs, net	15,160		10,820
Financing receivable	—		10,107
Other	4,815		8,470
	$	74,076	$	84,656

Accrued liabilities

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

	October 31,
	2014		2015
Compensation, payroll related tax and benefits	$	82,207	$	109,466
Warranty	55,997		56,654
Vacation	35,126		34,189
Capital lease obligations	7,788		4,923
Interest payable	6,409		5,389
Other	89,081		105,662
	$	276,608	$	316,283

Accrued warranty

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

Year ended	Beginning								Ending
October 31,	Balance		Acquired		Provisions		Settlements		Balance
2013	$	55,132	$	—	$	24,558	$	23,387	$	56,303
2014	$	56,303	$	—	$	22,129	$	22,435	$	55,997
2015	$	55,997	$	2,996	$	17,881	$	20,220	$	56,654

Deferred revenue

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

	October 31,
	2014			2015
Products	$	50,457		$	66,527
Services	95,161			122,546
	145,618			189,073
Less current portion	(104,688		)	(126,111		)
Long-term deferred revenue	$	40,930		$	62,962

Other liabilities

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

	October 31,
	2014		2015
Income tax liability	$	14,342	$	13,308
Deferred tenant allowance	10,839		9,807
Straight-line rent	5,174		6,237
Capital lease obligations	4,589		13,794
Construction liability	—		18,663
Forward starting interest rate swap	2,083		5,522
Other	8,363		5,209
	$	45,390	$	72,540

Future minimum lease payments under capital leases

The following is a schedule by fiscal years of future minimum lease payments under capital leases and the present value of minimum lease payments as of October 31, 2015 (in thousands):

Period ending October 31,	Amount
2016	$	6,057
2017	1,630
2018	1,292
2019	1,292
2020	1,390
Thereafter	18,445
Net minimum capital lease payments	30,106
Less: Amount representing interest	(11,389		)
Present value of minimum lease payments	18,717
Less: Current portion of present value of minimum lease payments	(4,923		)
Long-term portion of present value of minimum lease payments	$	13,794