SHORT-TERM AND LONG-TERM DEBT (Tables)

9 Months Ended

Jul. 31, 2021

Debt Disclosure [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Convertible Notes

The net carrying value of Ciena’s term loan was comprised of the following for the periods indicated (in thousands):

	July 31, 2021								October 31, 2020
	Principal Balance		Unamortized Discount		Deferred Debt Issuance Costs		Net Carrying Value		Net Carrying Value
2025 Term Loan	$	682,605	$	(1,332)	$	(2,488)	$	678,785	$	683,286