Short-Term and Long-Term Debt (Tables)

9 Months Ended

Jul. 31, 2014

Debt Disclosure [Abstract]

Schedule of carrying values and estimated fair values of convertible notes

The following table sets forth, in thousands, the carrying value and the estimated fair value of Ciena’s outstanding convertible notes:

	July 31, 2014
	Carrying Value		Fair Value(2)
4.0% Convertible Senior Notes, due March 15, 2015 (1)	$	187,605	$	206,719
0.875% Convertible Senior Notes due June 15, 2017	500,000		494,375
3.75% Convertible Senior Notes due October 15, 2018	350,000		445,813
4.0% Convertible Senior Notes due December 15, 2020 (3)	177,853		242,822
	$	1,215,458	$	1,389,729

(1) Includes unamortized bond premium related to embedded redemption feature.

(2) The convertible notes were categorized as Level 2 in the fair value hierarchy. Ciena estimated the fair value of its outstanding convertible notes using a market approach based upon observable inputs, such as current market transactions involving comparable securities.

(3) Includes unamortized discount and accretion of principal.

The following table sets forth, in thousands, the carrying value and the estimated fair value of the Term Loan:

	July 31, 2014
	Carrying Value		Fair Value(2)
Term Loan Payable due July 15, 2019(1)	$	248,763	$	249,375
	$	248,763	$	249,375

(1) Includes unamortized bond discount.

(2) The term loan was categorized as Level 2 in the fair value hierarchy. Ciena estimated the fair value of its term loan using a market approach based upon observable inputs, such as current market transactions involving comparable securities.

The principal balance, unamortized discount and net carrying amount of the Term Loan was as follows as of July 31, 2014:

	Principal Balance		Unamortized Discount		Net Carrying Amount
Term Loan Payable due July 15, 2019	$	250,000	$	1,237	$	248,763
	$	250,000	$	1,237	$	248,763

^[1]

Schedule of details of convertible notes

The principal balance, unamortized discount and net carrying amount of the liability and equity components of our 4.0% convertible senior notes due December 15, 2020 ("2020 Notes") were as follows as of July 31, 2014:

	Liability Component						Equity Component
	Principal Balance		Unamortized Discount		Net Carrying Amount		Net Carrying Amount
4.0% Convertible Senior Notes due December 15, 2020	$	193,101	$	15,248	$	177,853	$	43,131

[1] Includes unamortized bond premium related to embedded redemption feature.