Fair Value Measurements (Tables)

9 Months Ended

Jul. 31, 2015

Summary of the fair value of assets and liabilities recorded on a recurring basis

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

Assets and Liabilities as presented on Ciena's Condensed Consolidated Balance Sheet

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