RESTRUCTURING COSTS (Tables)

6 Months Ended

Apr. 30, 2016

Restructuring and Related Activities [Abstract]

Activity and balance of the restructuring liability accounts

The following table sets forth the restructuring activity and balance of the restructuring liability accounts for the six months ended April 30, 2016 (in thousands):

	Workforce reduction			Consolidation of excess facilities			Total
Balance at October 31, 2015	$	591		$	688		$	1,279
Additional liability recorded	929			—			929
Adjustments to previous estimates	—			(10		)	(10		)
Cash payments	(823		)	(203		)	(1,026		)
Balance at April 30, 2016	$	697		$	475		$	1,172
Current restructuring liabilities	$	697		$	309		$	1,006
Non-current restructuring liabilities	$	—		$	166		$	166

The following table sets forth the restructuring activity and balance of the restructuring liability accounts for the six months ended April 30, 2015 (in thousands):

	Workforce reduction				Consolidation of excess facilities			Total
Balance at October 31, 2014	$	181			$	1,134		$	1,315
Additional liability recorded	8,068			(a)	—			8,068
Cash payments	(7,518		)		(260		)	(7,778		)
Balance at April 30, 2015	$	731			$	874		$	1,605
Current restructuring liabilities	$	731			$	391		$	1,122
Non-current restructuring liabilities	$	—			$	483		$	483

(a) During the fiscal quarter ended January 31, 2015, Ciena recorded a charge of $8.1 million of severance and other employee-related costs associated with a global workforce reduction of approximately 125 employees.