Fair Value Measurements

9 Months Ended

Jul. 31, 2015

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):

	July 31, 2015
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	538,895	$	—	$	—	$	538,895
U.S. government obligations	—		175,246		—		175,246
Commercial paper	—		99,980		—		99,980
Foreign currency forward contracts	—		5,837		—		5,837
Total assets measured at fair value	$	538,895	$	281,063	$	—	$	819,958
Liabilities:
Foreign currency forward contracts	$	—	$	1,941	$	—	$	1,941
Forward starting interest rate swap	—		4,968		—		4,968
Total liabilities measured at fair value	$	—	$	6,909	$	—	$	6,909

	October 31, 2014
	Level 1		Level 2		Level 3		Total
Assets:
Money market funds	$	440,013	$	—	$	—	$	440,013
U.S. government obligations	—		160,268		—		160,268
Commercial paper	—		89,989		—		89,989
Foreign currency forward contracts	—		1,561		—		1,561
Total assets measured at fair value	$	440,013	$	251,818	$	—	$	691,831
Liabilities:
Foreign currency forward contracts	$	—	$	200	$	—	$	200
Forward starting interest rate swap	—		2,083		—		2,083
Total liabilities measured at fair value	$	—	$	2,283	$	—	$	2,283

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

	July 31, 2015
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	538,895	$	44,998	$	—	$	583,893
Short-term investments	—		160,067		—		160,067
Prepaid expenses and other	—		5,837		—		5,837
Long-term investments	—		70,161		—		70,161
Total assets measured at fair value	$	538,895	$	281,063	$	—	$	819,958
Liabilities:
Accrued liabilities	$	—	$	1,941	$	—	$	1,941
Other long-term obligations	—		4,968		—		4,968
Total liabilities measured at fair value	$	—	$	6,909	$	—	$	6,909

	October 31, 2014
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	440,013	$	59,995	$	—	$	500,008
Short-term investments	—		140,205		—		140,205
Prepaid expenses and other	—		1,561		—		1,561
Long-term investments	—		50,057		—		50,057
Total assets measured at fair value	$	440,013	$	251,818	$	—	$	691,831
Liabilities:
Accrued liabilities	$	—	$	200	$	—	$	200
Other long-term obligations	—		2,083		—		2,083
Total liabilities measured at fair value	$	—	$	2,283	$	—	$	2,283