GOODWILL (Tables)

6 Months Ended

Apr. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The following table presents the goodwill allocated to Ciena's reportable segments as of the dates indicated (in thousands):

	Balance at October 31, 2015		Acquisitions		Impairments		Translation(1)		Balance at April 30, 2016
Software and Software-Related Services	$	201,428	$	—	$	—	$	—	$	201,428
Networking Platforms	55,006		10,083		—		1,164		66,253
Total	$	256,434	$	10,083	$	—	$	1,164	$	267,681

(1) Represents translation on goodwill related to the acquisition of the HSPC assets by Ciena's Canadian subsidiary.