Other Balance Sheet Details (Tables)

9 Months Ended

Jul. 31, 2013

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, 2012		July 31, 2013
Maintenance spares inventory, net	$	57,548	$	64,195
Deferred debt issuance costs, net	20,575		16,845
Embedded redemption feature	420		2,510
Restricted cash	2,413		2,415
Other	3,780		4,198
	$	84,736	$	90,163

Accrued liabilities

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

	October 31, 2012		July 31, 2013
Warranty	$	55,132	$	53,376
Compensation, payroll related tax and benefits	48,885		78,340
Vacation	29,581		30,934
Current restructuring liabilities	3,516		798
Interest payable	4,404		8,408
Other	68,022		68,284
	$	209,540	$	240,140

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
2012	$	47,282	23,495	(19,144	)	$	51,633
2013	$	55,132	15,148	(16,904	)	$	53,376

Deferred revenue

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

	October 31, 2012			July 31, 2013
Products	$	29,279		$	34,865
Services	77,797			82,625
	107,076			117,490
Less current portion	(79,516		)	(92,277		)
Long-term deferred revenue	$	27,560		$	25,213