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Restructuring Costs (Tables)
 12 Months Ended
Oct. 31, 2012
Restructuring and Related Activities [Abstract]  
Activity and balance of the restructuring liability accounts
The following table displays the activity and balances of the historical restructuring liability accounts for the fiscal years indicated (in thousands):

 
Workforce
reduction
 
Consolidation
of excess
facilities
 
Total
Balance at October 31, 2009
$
170

 
$
9,435

 
$
9,605

Additional liability recorded
9,256

(a)
—

 
9,256

Adjustment to previous estimates
—

 
(742
)
(a)
(742
)
Cash payments
(7,850
)
 
(2,301
)
 
(10,151
)
Balance at October 31, 2010
1,576

 
6,392

 
7,968

Additional liability recorded
6,627

(b)
—

 
6,627

Adjustment to previous estimates
—

 
(846
)
(b)
(846
)
Cash payments
(8,043
)
 
(2,253
)
 
(10,296
)
Balance at October 31, 2011
160

 
3,293

 
3,453

Additional liability recorded
5,484

(c)
2,370

(c)
7,854

Adjustment to previous estimates
—

 
—

 
—

Cash payments
(4,195
)
 
(2,063
)
 
(6,258
)
Balance at October 31, 2012
$
1,449

 
$
3,600

 
$
5,049

Current restructuring liabilities
$
1,449

 
$
2,067

 
$
3,516

Non-current restructuring liabilities
$
—

 
$
1,533

 
$
1,533

_________________________________
(a)
During fiscal 2010, Ciena recorded a charge of $2.1 million related to a workforce reduction of approximately 70 employees, principally affecting Ciena’s global product group and global field organization outside of the EMEA region and $7.1 million related to a workforce reduction of 82 employees associated with the restructuring activities in the EMEA region described above and an adjustment of $0.7 million associated with previously restructured facilities.
(b)
During fiscal 2011, Ciena recorded a charge of $6.6 million of severance and other employee-related costs associated with a workforce reduction of approximately 150 employees related to a number of restructuring activities intended to reduce operating expense and better align its workforce with market opportunities. Ciena also recorded an adjustment of $0.8 million related to its previous restructured Acton, Massachusetts facility.
(c)
During fiscal 2012, Ciena recorded a charge of $5.5 million of severance and other employee-related costs associated with a workforce reduction of approximately 135 employees related to a number of restructuring activities intended to reduce operating expense and better align its workforce with market opportunities. Ciena also recorded an adjustment of $2.4 million related to its consolidation of several facilities in the Linthicum, Maryland area.