$CIEN
CIENA CORP Stock $cien

$cien Overview Financials Valuation SEC Filings Company Website

2013 Q1 Form 10-Q Financial Statement

#000093639513000019 Filed on March 13, 2013

Income Statement

Concept	2013 Q1	2012 Q1
Revenue	$453.1M	$416.7M
YoY Change	8.74%	-3.84%
Cost Of Revenue	$257.3M	$248.9M
YoY Change	3.36%	-5.99%
Gross Profit	$195.8M	$167.8M
YoY Change	16.71%	-0.45%
Gross Profit Margin	43.21%	40.26%
Selling, General & Admin	$94.80M	$94.08M
YoY Change	0.77%	-1.4%
% of Gross Profit	48.42%	56.08%
Research & Development	$89.13M	$89.66M
YoY Change	-0.6%	-6.4%
% of Gross Profit	45.52%	53.45%
Depreciation & Amortization	$14.75M	$14.72M
YoY Change	0.16%	1.22%
% of Gross Profit	7.53%	8.78%
Operating Expenses	$201.4M	$198.9M
YoY Change	1.24%	-17.93%
Operating Profit	-$5.609M	-$31.18M
YoY Change	-82.01%	-57.81%
Interest Expense	$10.73M	$9.570M
YoY Change	12.14%	0.21%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$45.11M	-$45.63M
YoY Change	-1.15%	-40.87%
Income Tax	$2.216M	$2.020M
% Of Pretax Income
Net Earnings	-$47.32M	-$47.65M
YoY Change	-0.69%	-39.72%
Net Earnings / Revenue	-10.44%	-11.44%
Basic Earnings Per Share	-$0.47	-$0.49
Diluted Earnings Per Share	-$0.47	-$0.49
COMMON SHARES
Basic Shares Outstanding	101.2M shares	98.07M shares
Diluted Shares Outstanding	101.2M shares	98.07M shares

Balance Sheet

Concept	2013 Q1	2012 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$637.2M	$600.7M
YoY Change	6.08%	-4.01%
Cash & Equivalents	$552.3M	$550.5M
Short-Term Investments	$84.90M	$50.20M
Other Short-Term Assets	$124.7M	$114.1M
YoY Change	9.29%	-9.44%
Inventory	$266.9M	$248.7M
Prepaid Expenses
Receivables	$394.8M	$399.5M
Other Receivables	$11.30M	$12.40M
Total Short-Term Assets	$1.435B	$1.375B
YoY Change	4.33%	-1.61%
LONG-TERM ASSETS
Property, Plant & Equipment	$122.2M	$118.1M
YoY Change	3.47%	-4.75%
Goodwill
YoY Change
Intangibles	$239.3M	$312.2M
YoY Change	-23.36%
Long-Term Investments		$0.00
YoY Change
Other Assets	$88.79M	$112.6M
YoY Change	-21.12%	-18.72%
Total Long-Term Assets	$450.3M	$542.9M
YoY Change	-17.06%	-16.7%
TOTAL ASSETS
Total Short-Term Assets	$1.435B	$1.375B
Total Long-Term Assets	$450.3M	$542.9M
Total Assets	$1.885B	$1.918B
YoY Change	-1.72%	-6.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$182.7M	$176.7M
YoY Change	3.35%	-12.59%
Accrued Expenses	$214.9M	$200.1M
YoY Change	7.4%	7.59%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$216.2M
YoY Change
Total Short-Term Liabilities	$693.7M	$456.7M
YoY Change	51.88%	-2.18%
LONG-TERM LIABILITIES
Long-Term Debt	$1.209B	$1.442B
YoY Change	-16.2%	-0.02%
Other Long-Term Liabilities	$32.79M	$19.06M
YoY Change	72.05%	-57.65%
Total Long-Term Liabilities	$32.79M	$19.06M
YoY Change	72.05%	-98.72%
TOTAL LIABILITIES
Total Short-Term Liabilities	$693.7M	$456.7M
Total Long-Term Liabilities	$32.79M	$19.06M
Total Liabilities	$1.964B	$1.939B
YoY Change	1.26%	-0.77%
SHAREHOLDERS EQUITY
Retained Earnings	-$5.932B	-$5.788B
YoY Change	2.48%
Common Stock	$5.855B	$5.769B
YoY Change	1.5%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$78.64M	-$21.10M
YoY Change
Total Liabilities & Shareholders Equity	$1.885B	$1.918B
YoY Change	-1.72%	-6.41%

Cashflow Statement

Concept	2013 Q1	2012 Q1
OPERATING ACTIVITIES
Net Income	-$47.32M	-$47.65M
YoY Change	-0.69%	-39.72%
Depreciation, Depletion And Amortization	$14.75M	$14.72M
YoY Change	0.16%	1.22%
Cash From Operating Activities	-$45.73M	$12.88M
YoY Change	-454.99%	-120.23%
INVESTING ACTIVITIES
Capital Expenditures	$12.24M	$7.898M
YoY Change	55.01%	-54.25%
Acquisitions
YoY Change
Other Investing Activities	-$34.30M	-$300.0K
YoY Change	11333.33%	-102.33%
Cash From Investing Activities	-$46.53M	-$8.240M
YoY Change	464.73%	88.3%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$5.820M	$5.669M
YoY Change	2.66%	7.47%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$1.907M	$5.669M
YoY Change	-66.36%	7.47%
NET CHANGE
Cash From Operating Activities	-$45.73M	$12.88M
Cash From Investing Activities	-$46.53M	-$8.240M
Cash From Financing Activities	$1.907M	$5.669M
Net Change In Cash	-$90.35M	$10.31M
YoY Change	-976.36%	-116.43%
FREE CASH FLOW
Cash From Operating Activities	-$45.73M	$12.88M
Capital Expenditures	$12.24M	$7.898M
Free Cash Flow	-$57.97M	$4.983M
YoY Change	-1263.34%	-106.16%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	179704000	USD
CY2013Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	182671000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	345496000	USD
CY2013Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	394785000	USD
CY2013Q1	us-gaap	Accrued Vacation Current AccruedVacationCurrent	29247000	USD
CY2013Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	214918000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	209540000	USD
CY2013Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	56965000	USD
CY2012Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	48885000	USD
CY2012Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	29581000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	360031000	USD
CY2013Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	322149000	USD
CY2013Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Sale Of Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment	51300000	USD
CY2013Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2361000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3354000	USD
CY2013Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5854424000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5797765000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1500000	USD
CY2013Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1600000	USD
CY2012Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1300000	USD
CY2013Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1500000	USD
CY2013Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12453000	USD
CY2012Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13471000	USD
CY2013Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	59552000	shares
CY2012Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	61427000	shares
CY2013Q1	us-gaap	Assets Assets	1885172000	USD
CY2012Q4	us-gaap	Assets Assets	1881143000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	1415690000	USD
CY2013Q1	us-gaap	Assets Current AssetsCurrent	1434873000	USD
CY2013Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	84918000	USD
CY2012Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	49987000	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	0	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	84918000	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	84918000	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	84918000	USD
CY2013Q1	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	84918000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	50057000	USD
CY2013Q1	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	0	USD
CY2013Q1	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	0	USD
CY2012Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	70000	USD
CY2013Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	4215000	USD
CY2012Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7409000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	642444000	USD
CY2013Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	552267000	USD
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CY2013Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-90353000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	10310000	USD
CY2013Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	290000000	shares
CY2013Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	290000000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	100601792	shares
CY2013Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	101518915	shares
CY2013Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	101518915	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	100601792	shares
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	1006000	USD
CY2013Q1	us-gaap	Common Stock Value CommonStockValue	1015000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-49535000	USD
CY2013Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-46331000	USD
CY2013Q1	us-gaap	Convertible Debt Fair Value Disclosures ConvertibleDebtFairValueDisclosures	1498669000	USD
CY2012Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	1225806000	USD
CY2013Q1	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	1208745000	USD
CY2013Q1	us-gaap	Convertible Notes Payable ConvertibleNotesPayable	1424955000	USD
CY2012Q4	us-gaap	Convertible Notes Payable Current ConvertibleNotesPayableCurrent	216210000	USD
CY2013Q1	us-gaap	Convertible Notes Payable Current ConvertibleNotesPayableCurrent	216210000	USD
CY2013Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	257298000	USD
CY2012Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	248929000	USD
CY2012Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	197752000	USD
CY2013Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	196521000	USD
CY2013Q1	us-gaap	Cost Of Services CostOfServices	60777000	USD
CY2012Q1	us-gaap	Cost Of Services CostOfServices	51177000	USD
CY2013Q1	us-gaap	Deferred Costs Current DeferredCostsCurrent	18580000	USD
CY2012Q4	us-gaap	Deferred Costs Current DeferredCostsCurrent	19449000	USD
CY2013Q1	us-gaap	Deferred Revenue DeferredRevenue	108478000	USD
CY2012Q4	us-gaap	Deferred Revenue DeferredRevenue	107076000	USD
CY2013Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	79916000	USD
CY2012Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	79516000	USD
CY2012Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	27560000	USD
CY2013Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	28562000	USD
CY2012Q1	us-gaap	Depreciation Depreciation	14721000	USD
CY2013Q1	us-gaap	Depreciation Depreciation	14745000	USD
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.47
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.49
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CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.49
CY2013Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	176000	USD
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CY2013Q1	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Asset EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset	100000	USD
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CY2013Q1	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	310000	USD
CY2012Q1	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	-980000	USD
CY2013Q1	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	0	USD
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CY2013Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	72200000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	530807000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	548644000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	17838000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	19415000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Future Amortization Expense FiniteLivedIntangibleAssetsFutureAmortizationExpense	239300000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	787944000	USD
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CY2013Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	239300000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Useful Life Maximum FiniteLivedIntangibleAssetsUsefulLifeMaximum	7	Y
CY2013Q1	us-gaap	Future Amortization Expense After Year Five FutureAmortizationExpenseAfterYearFive	136000	USD
CY2013Q1	us-gaap	Future Amortization Expense Remainder Of Fiscal Year FutureAmortizationExpenseRemainderOfFiscalYear	53471000	USD
CY2013Q1	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	22783000	USD
CY2013Q1	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	52879000	USD
CY2013Q1	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	52879000	USD
CY2013Q1	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	57152000	USD
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CY2012Q1	us-gaap	Gross Profit GrossProfit	167756000	USD
CY2012Q1	us-gaap	Share Based Compensation ShareBasedCompensation	8888000	USD
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CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2216000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2020000	USD
CY2012Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2823000	USD
CY2013Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3259000	USD
CY2013Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6121000	USD
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CY2013Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	49540000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-17078000	USD
CY2012Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-22634000	USD
CY2013Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1402000	USD
CY2012Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	26799000	USD
CY2013Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	10383000	USD
CY2013Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	25785000	USD
CY2012Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-14500000	USD
CY2013Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-627000	USD
CY2012Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	866000	USD
CY2013Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	239300000	USD
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CY2013Q1	us-gaap	Interest Expense InterestExpense	10732000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	9570000	USD
CY2012Q1	us-gaap	Interest Paid InterestPaid	2458000	USD
CY2013Q1	us-gaap	Interest Paid InterestPaid	4739000	USD
CY2013Q1	us-gaap	Interest Payable Current InterestPayableCurrent	8355000	USD
CY2012Q4	us-gaap	Interest Payable Current InterestPayableCurrent	4404000	USD
CY2013Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	178815000	USD
CY2012Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	178210000	USD
CY2013Q1	us-gaap	Inventory Gross InventoryGross	309270000	USD
CY2012Q4	us-gaap	Inventory Gross InventoryGross	300108000	USD
CY2012Q4	us-gaap	Inventory Net InventoryNet	260098000	USD
CY2013Q1	us-gaap	Inventory Net InventoryNet	266901000	USD
CY2012Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	39678000	USD
CY2013Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	46230000	USD
CY2012Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	40010000	USD
CY2013Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	42369000	USD
CY2012Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	10736000	USD
CY2013Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	7079000	USD
CY2013Q1	us-gaap	Inventory Write Down InventoryWriteDown	3580000	USD
CY2012Q1	us-gaap	Inventory Write Down InventoryWriteDown	8224000	USD
CY2013Q1	us-gaap	Liabilities Liabilities	1963807000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	1970115000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1881143000	USD
CY2013Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1885172000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	684970000	USD
CY2013Q1	us-gaap	Liabilities Current LiabilitiesCurrent	693715000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5669000	USD
CY2013Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1907000	USD
CY2013Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-46534000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8240000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12881000	USD
CY2013Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-45726000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	-47324000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	-47653000	USD
CY2012Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	8689000	USD
CY2013Q1	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	11337000	USD
CY2013Q1	us-gaap	Operating Cycle OperatingCycle	52 or 53 week
CY2013Q1	us-gaap	Operating Expenses OperatingExpenses	201404000	USD
CY2012Q1	us-gaap	Operating Expenses OperatingExpenses	198932000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-5609000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-31176000	USD
CY2013Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	62880000	USD
CY2012Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	68022000	USD
CY2012Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	3780000	USD
CY2013Q1	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	4568000	USD
CY2013Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	88792000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	84736000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-24000	USD
CY2013Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-44000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	364000	USD
CY2013Q1	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	77000	USD
CY2013Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	960000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-2222000	USD
CY2012Q4	us-gaap	Other Inventory Capitalized Costs OtherInventoryCapitalizedCosts	71484000	USD
CY2013Q1	us-gaap	Other Inventory Capitalized Costs OtherInventoryCapitalizedCosts	77146000	USD
CY2013Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	32785000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	31779000	USD
CY2013Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2951000	USD
CY2012Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2605000	USD
CY2012Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	16477000	USD
CY2013Q1	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	16129000	USD
CY2012Q1	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	0	USD
CY2013Q1	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	3237000	USD
CY2013Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	84918000	USD
CY2012Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	USD
CY2012Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7898000	USD
CY2013Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12243000	USD
CY2013Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2013Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2013Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5820000	USD
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	117595000	USD
CY2013Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	136002000	USD
CY2013Q1	us-gaap	Prepaid Taxes PrepaidTaxes	55562000	USD
CY2012Q4	us-gaap	Prepaid Taxes PrepaidTaxes	37806000	USD
CY2012Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5669000	USD
CY2012Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	USD
CY2013Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	50000000	USD
CY2013Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	53490000	USD
CY2012Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	49044000	USD
CY2012Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	55132000	USD
CY2011Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	47282000	USD
CY2012Q1	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	5944000	USD
CY2013Q1	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	5671000	USD
CY2013Q1	us-gaap	Product Warranty Expense ProductWarrantyExpense	4029000	USD
CY2012Q1	us-gaap	Product Warranty Expense ProductWarrantyExpense	7706000	USD
CY2012Q1	us-gaap	Profit Loss ProfitLoss	78092000	USD
CY2013Q1	us-gaap	Profit Loss ProfitLoss	106670000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	51900000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	444356000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	483611000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	122207000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	123580000	USD
CY2012Q1	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	0	USD
CY2013Q1	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	676000	USD
CY2013Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	89125000	USD
CY2012Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	89664000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	2030000	USD
CY2013Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1336000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	2413000	USD
CY2013Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	2479000	USD
CY2012Q1	us-gaap	Restructuring Charges RestructuringCharges	1722000	USD
CY2013Q1	us-gaap	Restructuring Charges RestructuringCharges	5030000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	3453000	USD
CY2012Q1	us-gaap	Restructuring Reserve RestructuringReserve	4470000	USD
CY2013Q1	us-gaap	Restructuring Reserve RestructuringReserve	4795000	USD
CY2012Q4	us-gaap	Restructuring Reserve RestructuringReserve	5049000	USD
CY2012Q1	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	2079000	USD
CY2013Q1	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	3981000	USD
CY2012Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	3516000	USD
CY2012Q1	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	2391000	USD
CY2013Q1	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	814000	USD
CY2012Q1	us-gaap	Restructuring Reserve Period Expense RestructuringReservePeriodExpense	1722000	USD
CY2013Q1	us-gaap	Restructuring Reserve Period Expense RestructuringReservePeriodExpense	4992000	USD
CY2012Q1	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	705000	USD
CY2013Q1	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	4627000	USD
CY2013Q1	us-gaap	Restructuring Reserve Settled Without Cash RestructuringReserveSettledWithoutCash	619000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-5884389000	USD
CY2013Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-5931713000	USD
CY2013Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	353057000	USD
CY2012Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	333673000	USD
CY2012Q1	us-gaap	Sales Revenue Net SalesRevenueNet	416685000	USD
CY2013Q1	us-gaap	Sales Revenue Net SalesRevenueNet	453093000	USD
CY2012Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	64411000	USD
CY2012Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	83012000	USD
CY2013Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	100036000	USD
CY2013Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	66588000	USD
CY2013Q1	us-gaap	Share Based Compensation ShareBasedCompensation	8320000	USD
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	31.46
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	626000	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2562000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3207000	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.79
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	27.58
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	2104000	USD
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	2177000	USD
CY2013Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	0.94
CY2013Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2543000	shares
CY2013Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	2562000	shares
CY2013Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	267.52
CY2013Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	26.89
CY2013Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm1	2.88	Y
CY2013Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm1	2.90	Y
CY2013Q1	us-gaap	Short Term Investments ShortTermInvestments	84918000	USD
CY2012Q4	us-gaap	Short Term Investments ShortTermInvestments	50057000	USD
CY2013Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	19000	shares
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	-88972000	USD
CY2013Q1	us-gaap	Stockholders Equity StockholdersEquity	-78635000	USD
CY2013Q1	cien	Interest And Other Financial Charges Net InterestAndOtherFinancialChargesNet	10869000	USD
CY2013Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	19276000	USD
CY2012Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	20575000	USD
CY2013Q1	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the financial statements and related disclosures in conformity with accounting principles generally</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">accepted in the United States requires management to make estimates and judgments that affect the amounts reported in the consolidated financial statements and accompanying notes. Estimates are used for convertible notes payable valuations, purchase accounting, bad debts, valuation of inventories and investments, recoverability of intangible assets, other long-lived assets, income taxes, warranty obligations, restructuring liabilities, derivatives, incentive compensation, contingencies and litigation. Ciena bases its estimates on historical experience and assumptions that it believes are reasonable. Actual results may differ materially from management’s estimates.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>
CY2013Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	101204000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98066000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	98066000	shares
CY2013Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	101204000	shares
CY2012Q1	cien	Capital Lease Obligations Incurred But Not Yet Paid CapitalLeaseObligationsIncurredButNotYetPaid	3078000	USD
CY2013Q1	cien	Capital Lease Obligations Incurred But Not Yet Paid CapitalLeaseObligationsIncurredButNotYetPaid	646000	USD
CY2012Q1	cien	Debt Issuance Costs Incurred But Not Yet Paid DebtIssuanceCostsIncurredButNotYetPaid	0	USD
CY2013Q1	cien	Debt Issuance Costs Incurred But Not Yet Paid DebtIssuanceCostsIncurredButNotYetPaid	219000	USD
CY2012Q1	cien	Depreciation Of Product Demonstration Equipment DepreciationOfProductDemonstrationEquipment	2400000	USD
CY2013Q1	cien	Depreciation Of Product Demonstration Equipment DepreciationOfProductDemonstrationEquipment	1800000	USD
CY2012Q1	cien	Interest And Other Financial Charges Net InterestAndOtherFinancialChargesNet	14457000	USD
CY2012Q1	cien	Interest And Other Income Net InterestAndOtherIncomeNet	-4887000	USD
CY2013Q1	cien	Interest And Other Income Net InterestAndOtherIncomeNet	-137000	USD
CY2013Q1	cien	Maintenance Spare Parts Amortization Period MaintenanceSparePartsAmortizationPeriod	P4Y
CY2012Q4	cien	Maintenance Spares Inventory Net Non Current MaintenanceSparesInventoryNetNonCurrent	57548000	USD
CY2013Q1	cien	Maintenance Spares Inventory Net Non Current MaintenanceSparesInventoryNetNonCurrent	62369000	USD
CY2013Q1	cien	Number Of Active Equity Compensation Plans NumberOfActiveEquityCompensationPlans	2	plan
CY2013Q1	cien	Number Of Customers Accounting For Ten Percent Of Accounts Receivable NumberOfCustomersAccountingForTenPercentOfAccountsReceivable	1	customer
CY2013Q1	cien	Number Of Fiscal Weeks In Year NumberOfFiscalWeeksInYear	P52W
CY2012Q1	cien	Number Of Fiscal Weeks In Year NumberOfFiscalWeeksInYear	P53W
CY2012Q1	cien	Proceeds From Sale Of Cost Method Investments ProceedsFromSaleOfCostMethodInvestments	524000	USD
CY2013Q1	cien	Proceeds From Sale Of Cost Method Investments ProceedsFromSaleOfCostMethodInvestments	0	USD
CY2013Q1	cien	Product Demonstration Equipment Net ProductDemonstrationEquipmentNet	33058000	USD
CY2012Q4	cien	Product Demonstration Equipment Net ProductDemonstrationEquipmentNet	33144000	USD
CY2013Q1	dei	Amendment Flag AmendmentFlag	false
CY2013Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--10-31
CY2013Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2013Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013Q1	dei	Document Period End Date DocumentPeriodEndDate	2013-01-31
CY2013Q1	dei	Document Type DocumentType	10-Q
CY2013Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000936395
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	101527083	shares
CY2013Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q1	dei	Entity Registrant Name EntityRegistrantName	CIENA CORP
CY2013Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0000936395-13-000019-index-headers.html	Edgar Link	pending
0000936395-13-000019-index.html	Edgar Link	pending
0000936395-13-000019.txt	Edgar Link	pending
0000936395-13-000019-xbrl.zip	Edgar Link	pending
a20130131-10q.htm	Edgar Link	pending
a2013013110qex311.htm	Edgar Link	pending
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a2013013110qexh102omnibusa.htm	Edgar Link	pending
cien-20130131.xml	Edgar Link	completed
cien-20130131.xsd	Edgar Link	pending
cien-20130131_cal.xml	Edgar Link	unprocessable
cien-20130131_def.xml	Edgar Link	unprocessable
cien-20130131_lab.xml	Edgar Link	unprocessable
cien-20130131_pre.xml	Edgar Link	unprocessable
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$CIEN
CIENA CORP Stock $cien

2013 Q1 Form 10-Q Financial Statement

#000093639513000019 Filed on March 13, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CIEN CIENA CORP Stock $cien

2013 Q1 Form 10-Q Financial Statement

#000093639513000019 Filed on March 13, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CIEN
CIENA CORP Stock $cien