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RESTRUCTURING COSTS | 3 Months Ended
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Jan. 29, 2022
Restructuring and Related Activities [Abstract] |
RESTRUCTURING COSTS | RESTRUCTURING COSTS Ciena has undertaken a number of restructuring activities intended to reduce expense and to 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 Ciena’s Condensed Consolidated Balance Sheets, for the three months ended January 29, 2022 (in thousands):
| Workforce reduction |  | Other restructuring activities |  | Total
Balance at October 30, 2021 | $ | 781 |  |  | $ | — |  |  | $ | 781 |
Charges | 410 |  | (1) | 2,999 |  | (2) | 3,409 |
Cash payments | (421) |  |  | (2,999) |  |  | (3,420) |
Balance at January 29, 2022 | $ | 770 |  |  | $ | — |  |  | $ | 770 |
Current restructuring liabilities | $ | 770 |  |  | $ | — |  |  | $ | 770 |
(1) Reflects employee costs associated with workforce reductions during the three months ended January 29, 2022 as part of a business optimization strategy to improve gross margin, constrain operating expense and redesign certain business processes. (2) Primarily represents the redesign of certain business processes associated with Ciena’s supply chain and distribution structure reorganization, and costs related to restructured real estate facilities. 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 Ciena’s Condensed Consolidated Balance Sheets for the three months ended January 30, 2021 (in thousands):
| Workforce reduction |  | Other restructuring activities |  | Total
Balance at October 31, 2020 | 2,915 |  |  | $ | — |  |  | $ | 2,915 |
Charges | 1,990 |  | (1) | 3,877 |  | (2) | 5,867 |
Cash payments | (2,994) |  |  | (3,877) |  |  | (6,871) |
Balance at January 30, 2021 | $ | 1,911 |  |  | $ | — |  |  | $ | 1,911 |
Current restructuring liabilities | $ | 1,911 |  |  | $ | — |  |  | $ | 1,911 |
(1) Reflects employee costs associated with workforce reductions during the three months ended January 30, 2021 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 real estate facilities and the redesign of certain business processes.

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(e)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -URI http://asc.fasb.org/topic&trid=2175745 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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