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SIGNIFICANT ASSET IMPAIRMENT AND RESTRUCTURING COSTS | 3 Months Ended
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Feb. 01, 2025
Restructuring and Related Activities [Abstract] |
SIGNIFICANT ASSET IMPAIRMENT AND RESTRUCTURING COSTS | SIGNIFICANT ASSET IMPAIRMENT AND 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 the Condensed Consolidated Balance Sheets, for the three months ended February 1, 2025 (in thousands):
| Workforce reduction |  | Other restructuring activities |  | Total
Balance at November 2, 2024 | $ | 1,927 |  |  | $ | — |  |  | $ | 1,927 |
Charges | 278 |  |  | 1,266 |  | (1) | 1,544 |
Cash payments | (1,762) |  |  | (1,266) |  |  | (3,028) |
Balance at February 1, 2025 | $ | 443 |  |  | $ | — |  |  | $ | 443 |
Current restructuring liabilities | $ | 443 |  |  | $ | — |  |  | $ | 443 |
(1) Primarily represents 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 the Condensed Consolidated Balance Sheets for the three months ended January 27, 2024 (in thousands):
| Workforce reduction |  | Other restructuring activities |  | Total
Balance at October 28, 2023 | $ | 1,913 |  |  | $ | — |  |  | $ | 1,913 |
Charges | 2,861 |  |  | 2,110 |  | (1) | 4,971 |
Cash payments | (4,058) |  |  | (2,110) |  |  | (6,168) |
Balance at January 27, 2024 | $ | 716 |  |  | $ | — |  |  | $ | 716 |
Current restructuring liabilities | $ | 716 |  |  | $ | — |  |  | $ | 716 |
(1) Primarily represents costs related to restructured real estate facilities and the redesign of certain business processes associated with Ciena’s supply chain and distribution structure.

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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 -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/420/tableOfContent Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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