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SHORT-TERM AND LONG-TERM DEBT (Tables)

9 Months Ended

Aug. 02, 2025

Debt Disclosure [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Convertible Notes

The net carrying value of the Ciena’s term loans were comprised of the following as of the date indicated (in thousands):

						August 2, 2025																								November 2, 2024
						Principal Balance						Unamortized Discount						Deferred Debt Issuance Costs						Net Carrying Value						Net Carrying Value
Refinanced 2030 Term Loan						$	1,149,615					$	(3,738)					$	(4,776)					$	1,141,101					$	—
2030 Term Loan						$	—					$	—					$	—					$	—					$	1,148,347

The net carrying value of the 2030 Notes was comprised of the following as of the dates indicated (in thousands):

						August 2, 2025																		November 2, 2024
						Principal Balance						Deferred Debt Issuance Costs						Net Carrying Value						Net Carrying Value
2030 Notes						$	400,000					$	(3,054)					$	396,946					$	396,427

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- Definition

Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements.

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