Fair Value Measurements

6 Months Ended

Apr. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

As of the date indicated, the following table summarizes the assets and liabilities that are recorded at fair value on a recurring basis (in thousands):

	April 30, 2018
	Level 1		Level 2		Total
Assets:
Money market funds	$	476,187	$	—	$	476,187
U.S. government obligations	—		297,585		297,585
Commercial paper	—		99,745		99,745
Foreign currency forward contracts	—		97		97
Forward starting interest rate swaps	—		6,333		6,333
Total assets measured at fair value	$	476,187	$	403,760	$	879,947
Liabilities:
Foreign currency forward contracts	$	—	$	1,317	$	1,317
Total liabilities measured at fair value	$	—	$	1,317	$	1,317

	October 31, 2017
	Level 1		Level 2		Total
Assets:
Money market funds	$	511,355	$	—	$	511,355
U.S. government obligations	—		298,976		298,976
Commercial paper	—		89,865		89,865
Foreign currency forward contracts	—		227		227
Forward starting interest rate swaps	—		218		218
Total assets measured at fair value	$	511,355	$	389,286	$	900,641
Liabilities:
Foreign currency forward contracts	$	—	$	2,129	$	2,129
Total liabilities measured at fair value	$	—	$	2,129	$	2,129

As of the date indicated, the assets and liabilities above are presented on Ciena’s Condensed Consolidated Balance Sheet as follows (in thousands):

	April 30, 2018
	Level 1		Level 2		Total
Assets:
Cash equivalents	$	476,187	$	69,851	$	546,038
Short-term investments	—		268,584		268,584
Prepaid expenses and other	—		97		97
Long-term investments	—		58,895		58,895
Other long-term assets	—		6,333		6,333
Total assets measured at fair value	$	476,187	$	403,760	$	879,947
Liabilities:
Accrued liabilities	$	—	$	1,317	$	1,317
Total liabilities measured at fair value	$	—	$	1,317	$	1,317

	October 31, 2017
	Level 1		Level 2		Total
Assets:
Cash equivalents	$	511,355	$	59,925	$	571,280
Short-term investments	—		279,133		279,133
Prepaid expenses and other	—		227		227
Long-term investments	—		49,783		49,783
Other long-term assets	—		218		218
Total assets measured at fair value	$	511,355	$	389,286	$	900,641
Liabilities:
Accrued liabilities	$	—	$	2,129	$	2,129
Total liabilities measured at fair value	$	—	$	2,129	$	2,129

Ciena did not have any transfers between Level 1 and Level 2 fair value measurements during the periods presented.