SHARE-BASED COMPENSATION EXPENSE (Tables)

3 Months Ended

Jan. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of stock option activity

The following table is a summary of Ciena’s stock option activity for the period indicated (shares in thousands):

	Shares Underlying Options Outstanding		Weighted Average Exercise Price
Balance at October 31, 2016	1,387		$	26.90
Exercised	(102	)	9.58
Canceled	(187	)	27.52
Balance at January 31, 2017	1,098		$	28.41

Summarizes information with respect to stock options outstanding

The following table summarizes information with respect to stock options outstanding at January 31, 2017, based on Ciena’s closing stock price on the last trading day of Ciena’s first fiscal quarter of 2017 (shares and intrinsic value in thousands):

					Options Outstanding at						Vested Options at
					January 31, 2017						January 31, 2017
					Number	Weighted Average Remaining	Weighted				Number	Weighted Average Remaining	Weighted
Range of					of	Contractual	Average		Aggregate		of	Contractual	Average		Aggregate
Exercise					Underlying	Life	Exercise		Intrinsic		Underlying	Life	Exercise		Intrinsic
Price					Shares	(Years)	Price		Value		Shares	(Years)	Price		Value
$	0.45	—	$	11.16	112	2.73	$	7.48	$	1,913	110	2.68	$	7.45	$	1,896
$	11.34	—	$	17.24	242	5.35	13.31		2,736		231	5.24	13.23		2,631
$	17.50	—	$	30.46	178	1.93	26.02		257		165	1.48	26.61		179
$	31.93	—	$	37.10	323	2.10	35.19		—		322	2.09	35.18		—
$	37.82	—	$	55.63	243	4.48	45.84		—		227	4.34	45.87		—
$	0.45	—	$	55.63	1,098	3.38	$	28.41	$	4,906	1,055	3.23	$	28.42	$	4,706

Summary of restricted stock unit activity

The following table is a summary of Ciena's restricted stock unit activity for the period indicated, with the aggregate fair value of the balance outstanding at the end of each period, based on Ciena's closing stock price on the last trading day of the relevant period (shares and aggregate fair value in thousands):

	Restricted Stock Units Outstanding		Weighted Average Grant Date Fair Value Per Share		Aggregate Fair Value
Balance at October 31, 2016	4,280		$	19.96	$	83,511
Granted	1,849
Vested	(865	)
Canceled or forfeited	(111	)
Balance at January 31, 2017	5,153		$	21.10	$	126,808

Share-based compensation expense

The following table summarizes share-based compensation expense for the periods indicated (in thousands):

	Quarter Ended January 31,
	2017		2016
Product costs	$	561	$	571
Service costs	628		592
Share-based compensation expense included in cost of sales	1,189		1,163
Research and development	3,209		3,428
Sales and marketing	2,873		4,735
General and administrative	5,453		5,129
Acquisition and integration costs	—		17
Share-based compensation expense included in operating expense	11,535		13,309
Share-based compensation expense capitalized in inventory, net	101		5
Total share-based compensation	$	12,825	$	14,477