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Restructuring Costs
9 Months Ended
Jul. 31, 2011
Restructuring Costs [Abstract]  
RESTRUCTURING COSTS
(4)   RESTRUCTURING COSTS
     Since the acquisition of the MEN Business, Ciena has undertaken a number of restructuring activities intended to reduce operating expense and better align its workforce and operating costs with market opportunities, product development and business strategies for the combined operations.
     The following table sets forth the restructuring activity and balance of the restructuring liability accounts for the nine months ended July 31, 2011 (in thousands):
                         
            Consolidation        
    Workforce     of excess        
    reduction     facilities     Total  
Balance at October 31, 2010
  $ 1,576     $ 6,392     $ 7,968  
Additional liability recorded
    5,941             5,941  
Adjustment to previous estimates
          (751 )     (751 )
Cash payments
    (5,800 )     (1,723 )     (7,523 )
 
                 
Balance at July 31, 2011
  $ 1,717     $ 3,918     $ 5,635  
 
                 
Current restructuring liabilities
  $ 1,717     $ 975     $ 2,692  
 
                 
Non-current restructuring liabilities
  $     $ 2,943     $ 2,943  
 
                 
     The following table sets forth the restructuring activity and balance of the restructuring liability accounts for the nine months ended July 31, 2010 (in thousands):
                         
    Workforce     Consolidation of        
    reduction     excess facilities     Total  
Balance at October 31, 2009
  $ 170     $ 9,435     $ 9,605  
Additional liability recorded
    3,985             3,985  
Cash payments
    (2,476 )     (2,098 )     (4,574 )
 
                 
Balance at July 31, 2010
  $ 1,679     $ 7,337     $ 9,016  
 
                 
Current restructuring liabilities
  $ 1,679     $ 1,342     $ 3,021  
 
                 
Non-current restructuring liabilities
  $     $ 5,995     $ 5,995