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Goodwill
12 Months Ended
Oct. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
GOODWILL


Ciena's goodwill was generated from its acquisition of Cyan during fiscal 2015 and its acquisition of the HSPC assets of TeraXion during the second quarter of fiscal 2016, and it is primarily related to expected synergies. 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
 
Balance at October 31, 2016
Software and Software-Related Services
201,428

 

 

 

 
201,428

Networking Platforms
55,006

 
10,083

 

 
457

 
65,546

Total
256,434

 
10,083

 

 
457

 
266,974