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Restructuring Costs | 3 Months Ended
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Jan. 31, 2020
Restructuring and Related Activities [Abstract] |
Restructuring Costs | RESTRUCTURING COSTS Ciena has undertaken a number of restructuring activities intended to reduce expense and to better align its workforce and costs with market opportunities, product development and business strategies. The following table sets forth the restructuring activity and balance of the restructuring liability accounts, which are included in Accrued liabilities and other short-term obligations on our Condensed Consolidated Balance Sheets, for the three months ended January 31, 2020 (in thousands):
| Workforce reduction |  | Consolidation of excess facilities and other restructuring activities |  | Total
Balance at October 31, 2019 | $ | 3,983 |  |  | $ | 11,160 |  |  | $ | 15,143 |
Charges | 1,204 |  | (1) | 3,268 |  | (2) | 4,472 |
Adjustments related to ASC 842 | — |  |  | (11,160 | ) | (3) | (11,160 | )
Cash payments | (2,955 | ) |  | (3,268 | ) |  | (6,223 | )
Balance at January 31, 2020 | $ | 2,232 |  |  | $ | — |  |  | $ | 2,232 |
Current restructuring liabilities | $ | 2,232 |  |  | $ | — |  |  | $ | 2,232 |
Non-current restructuring liabilities | $ | — |  |  | $ | — |  |  | $ | — |
(1) | Reflects a global workforce reduction of approximately 22 employees during the three months ended January 31, 2020 as part of a business optimization strategy to improve gross margin, constrain operating expense and redesign certain business processes.
(2) | Primarily represents variable costs and imputed interest expense related to restructured facilities
(3) | Represents restructuring reserve liability recognized as a reduction to Operating right-of-use assets, net in relation to adoption of ASC 842. See Notes 2 and 15 for further discussion.
The following table sets forth the restructuring activity and balance of the restructuring liability accounts, which are included in Accrued liabilities and other short-term obligations on our Condensed Consolidated Balance Sheets for the three months ended January 31, 2019 (in thousands):
| Workforce reduction |  | Consolidation of excess facilities |  | Total
Balance at October 31, 2018 | $ | 2,108 |  |  | $ | 1,739 |  |  | $ | 3,847 |
Charges | 1,752 |  | (1) | 521 |  | (2) | 2,273 |
Cash payments | (3,009 | ) |  | (548 | ) |  | (3,557 | )
Balance at January 31, 2019 | $ | 851 |  |  | $ | 1,712 |  |  | $ | 2,563 |
Current restructuring liabilities | $ | 851 |  |  | $ | 525 |  |  | $ | 1,376 |
Non-current restructuring liabilities | $ | — |  |  | $ | 1,187 |  |  | $ | 1,187 |
(1) | Reflects a global workforce reduction of approximately 10 employees during the three months ended January 31, 2019 as part of a business optimization strategy to improve gross margin, constrain operating expense and redesign certain business processes.
(2) Reflects unfavorable lease commitments in connection with a portion of facilities located in Petaluma, California and Spokane, Washington.

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -URI http://asc.fasb.org/topic&trid=2175745 + Details
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