Other Balance Sheet Details (Tables)

9 Months Ended

Jul. 31, 2014

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, 2013		July 31, 2014
Maintenance spares inventory, net	$	61,305	$	56,202
Deferred debt issuance costs, net	15,677		16,360
Embedded redemption feature	2,740		—
Restricted cash	2,053		46
Other	4,605		5,513
	$	86,380	$	78,121

Accrued liabilities

As of the dates indicated, accrued liabilities are comprised of the following (in thousands):

	October 31, 2013		July 31, 2014
Warranty	$	56,303	$	57,442
Compensation, payroll related tax and benefits	98,770		77,272
Vacation	32,118		33,837
Current restructuring liabilities	674		653
Interest payable	6,186		8,679
Other	77,605		89,963
	$	271,656	$	267,846

Accrued warranty

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

						Balance at
Nine months ended	Beginning					end of
July 31,	Balance		Provisions	Settlements		period
2013	$	55,132	15,148	(16,904	)	$	53,376
2014	$	56,303	18,720	(17,581	)	$	57,442

Deferred revenue

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

	October 31, 2013			July 31, 2014
Products	$	36,671		$	57,590
Services	75,499			82,078
	112,170			139,668
Less current portion	(88,550		)	(114,590		)
Long-term deferred revenue	$	23,620		$	25,078