$CIEN
CIENA CORP Stock $cien

$cien Overview Financials Valuation SEC Filings Company Website

2012 Q1 Form 10-Q Financial Statement

#000093639512000028 Filed on March 08, 2012

Income Statement

Concept	2012 Q1	2011 Q1
Revenue	$416.7M	$433.3M
YoY Change	-3.84%	146.34%
Cost Of Revenue	$248.9M	$264.8M
YoY Change	-5.99%	176.7%
Gross Profit	$167.8M	$168.5M
YoY Change	-0.45%	110.11%
Gross Profit Margin	40.26%	38.89%
Selling, General & Admin	$94.08M	$95.41M
YoY Change	-1.4%	102.99%
% of Gross Profit	56.08%	56.62%
Research & Development	$89.66M	$95.79M
YoY Change	-6.4%	91.58%
% of Gross Profit	53.45%	56.85%
Depreciation & Amortization	$14.72M	$14.54M
YoY Change	1.22%	7.73%
% of Gross Profit	8.78%	8.63%
Operating Expenses	$198.9M	$242.4M
YoY Change	-17.93%	135.34%
Operating Profit	-$31.18M	-$73.89M
YoY Change	-57.81%	224.09%
Interest Expense	$9.570M	$9.550M
YoY Change	0.21%	-467.31%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$45.63M	-$77.18M
YoY Change	-40.87%	47.0%
Income Tax	$2.020M	$1.879M
% Of Pretax Income
Net Earnings	-$47.65M	-$79.06M
YoY Change	-39.72%	48.32%
Net Earnings / Revenue	-11.44%	-18.24%
Basic Earnings Per Share	-$0.49	-$0.84
Diluted Earnings Per Share	-$0.49	-$0.84
COMMON SHARES
Basic Shares Outstanding	98.07M shares	94.50M shares
Diluted Shares Outstanding	98.07M shares	94.50M shares

Balance Sheet

Concept	2012 Q1	2011 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$600.7M	$625.8M
YoY Change	-4.01%	-37.52%
Cash & Equivalents	$550.5M	$625.8M
Short-Term Investments	$50.20M
Other Short-Term Assets	$114.1M	$126.0M
YoY Change	-9.44%	70.73%
Inventory	$248.7M	$267.3M
Prepaid Expenses
Receivables	$399.5M	$369.7M
Other Receivables	$12.40M	$9.100M
Total Short-Term Assets	$1.375B	$1.398B
YoY Change	-1.61%	9.37%
LONG-TERM ASSETS
Property, Plant & Equipment	$118.1M	$124.0M
YoY Change	-4.75%	92.55%
Goodwill
YoY Change
Intangibles	$312.2M
YoY Change
Long-Term Investments	$0.00
YoY Change
Other Assets	$112.6M	$138.5M
YoY Change	-18.72%	81.52%
Total Long-Term Assets	$542.9M	$651.7M
YoY Change	-16.7%	221.03%
TOTAL ASSETS
Total Short-Term Assets	$1.375B	$1.398B
Total Long-Term Assets	$542.9M	$651.7M
Total Assets	$1.918B	$2.050B
YoY Change	-6.41%	38.38%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$176.7M	$202.2M
YoY Change	-12.59%	165.35%
Accrued Expenses	$200.1M	$186.0M
YoY Change	7.59%	87.69%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$456.7M	$466.9M
YoY Change	-2.18%	111.84%
LONG-TERM LIABILITIES
Long-Term Debt	$1.442B	$1.443B
YoY Change	-0.02%	80.78%
Other Long-Term Liabilities	$19.06M	$45.00M
YoY Change	-57.65%	-14.61%
Total Long-Term Liabilities	$19.06M	$1.488B
YoY Change	-98.72%	74.87%
TOTAL LIABILITIES
Total Short-Term Liabilities	$456.7M	$466.9M
Total Long-Term Liabilities	$19.06M	$1.488B
Total Liabilities	$1.939B	$1.955B
YoY Change	-0.77%	82.48%
SHAREHOLDERS EQUITY
Retained Earnings	-$5.788B
YoY Change
Common Stock	$5.769B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$21.10M	$95.10M
YoY Change
Total Liabilities & Shareholders Equity	$1.918B	$2.050B
YoY Change	-6.41%	38.38%

Cashflow Statement

Concept	2012 Q1	2011 Q1
OPERATING ACTIVITIES
Net Income	-$47.65M	-$79.06M
YoY Change	-39.72%	48.32%
Depreciation, Depletion And Amortization	$14.72M	$14.54M
YoY Change	1.22%	7.73%
Cash From Operating Activities	$12.88M	-$63.66M
YoY Change	-120.23%	-1514.69%
INVESTING ACTIVITIES
Capital Expenditures	$7.898M	$17.27M
YoY Change	-54.25%	-346.64%
Acquisitions
YoY Change
Other Investing Activities	-$300.0K	$12.90M
YoY Change	-102.33%	-85.7%
Cash From Investing Activities	-$8.240M	-$4.376M
YoY Change	88.3%	-105.26%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$5.669M	$5.275M
YoY Change	7.47%	5175.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$5.669M	$5.275M
YoY Change	7.47%	5175.0%
NET CHANGE
Cash From Operating Activities	$12.88M	-$63.66M
Cash From Investing Activities	-$8.240M	-$4.376M
Cash From Financing Activities	$5.669M	$5.275M
Net Change In Cash	$10.31M	-$62.76M
YoY Change	-116.43%	-171.48%
FREE CASH FLOW
Cash From Operating Activities	$12.88M	-$63.66M
Capital Expenditures	$7.898M	$17.27M
Free Cash Flow	$4.983M	-$80.93M
YoY Change	-106.16%	-803.7%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	176747000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	157116000	USD
CY2012Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	399457000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	417509000	USD
CY2011Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	197004000	USD
CY2012Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	200114000	USD
CY2012Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	45897000	USD
CY2011Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	51808000	USD
CY2012Q1	us-gaap	Accrued Vacation Current AccruedVacationCurrent	27575000	USD
CY2011Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	27808000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	324132000	USD
CY2012Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	333499000	USD
CY2012Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1851000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	31000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5753236000	USD
CY2012Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5767781000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	700000	USD
CY2012Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1600000	USD
CY2012Q1	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-13000	USD
CY2011Q1	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2012Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1300000	USD
CY2011Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1300000	USD
CY2012Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13471000	USD
CY2011Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	28784000	USD
CY2011Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	60776000	shares
CY2012Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	61427000	shares
CY2011Q4	us-gaap	Assets Assets	1951418000	USD
CY2012Q1	us-gaap	Assets Assets	1918256000	USD
CY2012Q1	us-gaap	Assets Current AssetsCurrent	1375364000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	1332838000	USD
CY2012Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	49946000	USD
CY2011Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	49933000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	0	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	49946000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	49946000	USD
CY2012Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	50239000	USD
CY2012Q1	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	50239000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	50264000	USD
CY2012Q1	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	0	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	0	USD
CY2012Q1	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	293000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	331000	USD
CY2011Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	24185000	USD
CY2012Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	264000	USD
CY2012Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7409000	USD
CY2011Q1	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3815000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	541896000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	550461000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	688687000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	625820000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-62762000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	10310000	USD
CY2012Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	290000000	shares
CY2012Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	290000000	shares
CY2012Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	98650874	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	97440436	shares
CY2012Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	98650874	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	97440436	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	974000	USD
CY2012Q1	us-gaap	Common Stock Value CommonStockValue	987000	USD
CY2011Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-79305000	USD
CY2012Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-49535000	USD
CY2012Q1	us-gaap	Convertible Debt Fair Value Disclosures ConvertibleDebtFairValueDisclosures	1407349000	USD
CY2011Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	1442364000	USD
CY2012Q1	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	1442279000	USD
CY2011Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	264802000	USD
CY2012Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	248929000	USD
CY2011Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	214401000	USD
CY2012Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	197752000	USD
CY2011Q1	us-gaap	Cost Of Services CostOfServices	50401000	USD
CY2012Q1	us-gaap	Cost Of Services CostOfServices	51177000	USD
CY2011Q4	us-gaap	Deferred Costs Current DeferredCostsCurrent	17839000	USD
CY2012Q1	us-gaap	Deferred Costs Current DeferredCostsCurrent	22022000	USD
CY2012Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-49000	USD
CY2011Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	183000	USD
CY2012Q1	us-gaap	Deferred Revenue DeferredRevenue	101164000	USD
CY2011Q4	us-gaap	Deferred Revenue DeferredRevenue	123798000	USD
CY2011Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	99373000	USD
CY2012Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	79880000	USD
CY2012Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	21284000	USD
CY2011Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	24425000	USD
CY2012Q1	us-gaap	Depreciation Depreciation	14721000	USD
CY2011Q1	us-gaap	Depreciation Depreciation	14543000	USD
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.84
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.49
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.49
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.84
CY2011Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-105000	USD
CY2012Q1	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-1745000	USD
CY2011Q4	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Asset EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset	7020000	USD
CY2012Q1	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Asset EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset	6040000	USD
CY2012Q1	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	-980000	USD
CY2011Q1	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	7130000	USD
CY2011Q1	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	64000	USD
CY2012Q1	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	-72000	USD
CY2012Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	71300000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	475724000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	456309000	USD
CY2011Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	37137000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	19415000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Future Amortization Expense FiniteLivedIntangibleAssetsFutureAmortizationExpense	312220000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	787944000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	787944000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	331635000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	312220000	USD
CY2012Q1	us-gaap	Finite Lived Intangible Assets Useful Life Maximum FiniteLivedIntangibleAssetsUsefulLifeMaximum	7	years
CY2012Q1	us-gaap	Future Amortization Expense After Year Five FutureAmortizationExpenseAfterYearFive	22920000	USD
CY2012Q1	us-gaap	Future Amortization Expense Remainder Of Fiscal Year FutureAmortizationExpenseRemainderOfFiscalYear	55082000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	52879000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	52879000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	57151000	USD
CY2012Q1	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	71309000	USD
CY2012Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	29400000	USD
CY2011Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	38314000	USD
CY2012Q1	us-gaap	Gross Profit GrossProfit	167756000	USD
CY2011Q1	us-gaap	Gross Profit GrossProfit	168506000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-77177000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-45633000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2020000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1879000	USD
CY2012Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2823000	USD
CY2011Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1698000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	15850000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-4300000	USD
CY2012Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-17078000	USD
CY2011Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	26451000	USD
CY2011Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	427000	USD
CY2012Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-22634000	USD
CY2011Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	8372000	USD
CY2012Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	26799000	USD
CY2012Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-14500000	USD
CY2011Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5095000	USD
CY2012Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	866000	USD
CY2011Q1	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	3505000	USD
CY2012Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	312220000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	331635000	USD
CY2011Q1	us-gaap	Interest Expense InterestExpense	9550000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	9570000	USD
CY2012Q1	us-gaap	Interest Paid InterestPaid	2458000	USD
CY2011Q1	us-gaap	Interest Paid InterestPaid	2458000	USD
CY2012Q1	us-gaap	Interest Payable Current InterestPayableCurrent	10026000	USD
CY2011Q4	us-gaap	Interest Payable Current InterestPayableCurrent	4248000	USD
CY2012Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	146857000	USD
CY2011Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	134998000	USD
CY2012Q1	us-gaap	Inventory Gross InventoryGross	284245000	USD
CY2011Q4	us-gaap	Inventory Gross InventoryGross	261847000	USD
CY2012Q1	us-gaap	Inventory Net InventoryNet	248651000	USD
CY2011Q4	us-gaap	Inventory Net InventoryNet	230076000	USD
CY2012Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	43486000	USD
CY2011Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	45333000	USD
CY2012Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	35594000	USD
CY2011Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	31771000	USD
CY2011Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	13851000	USD
CY2012Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	17659000	USD
CY2011Q1	us-gaap	Inventory Write Down InventoryWriteDown	2645000	USD
CY2012Q1	us-gaap	Inventory Write Down InventoryWriteDown	8224000	USD
CY2012Q1	us-gaap	Liabilities Liabilities	1939360000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	1937545000	USD
CY2012Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1918256000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1951418000	USD
CY2012Q1	us-gaap	Liabilities Current LiabilitiesCurrent	456741000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	453493000	USD
CY2012Q1	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	0	USD
CY2011Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	50264000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5275000	USD
CY2012Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5669000	USD
CY2011Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4376000	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
CY2011Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-63661000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	-47653000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	-79056000	USD
CY2011Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	6251000	USD
CY2012Q1	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	12405000	USD
CY2012Q1	us-gaap	Operating Cycle OperatingCycle	52 or 53 week
CY2012Q1	us-gaap	Operating Expenses OperatingExpenses	198932000	USD
CY2011Q1	us-gaap	Operating Expenses OperatingExpenses	242398000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-73892000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-31176000	USD
CY2012Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	65493000	USD
CY2011Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	65194000	USD
CY2012Q1	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	5785000	USD
CY2011Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	5673000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	114123000	USD
CY2012Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	112567000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	183000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Available For Sale Securities Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecrease	-24000	USD
CY2012Q1	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	364000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease	0	USD
CY2012Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-2222000	USD
CY2011Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-432000	USD
CY2012Q1	us-gaap	Other Inventory Capitalized Costs OtherInventoryCapitalizedCosts	76243000	USD
CY2011Q4	us-gaap	Other Inventory Capitalized Costs OtherInventoryCapitalizedCosts	67665000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	17263000	USD
CY2012Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	19056000	USD
CY2012Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2667000	USD
CY2011Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-851000	USD
CY2011Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	14769000	USD
CY2012Q1	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	12250000	USD
CY2011Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17265000	USD
CY2012Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7898000	USD
CY2012Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2012Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2012Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	126556000	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	143357000	USD
CY2011Q4	us-gaap	Prepaid Taxes PrepaidTaxes	44969000	USD
CY2012Q1	us-gaap	Prepaid Taxes PrepaidTaxes	29154000	USD
CY2011Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5275000	USD
CY2012Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5669000	USD
CY2011Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	47282000	USD
CY2010Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	54372000	USD
CY2012Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	49044000	USD
CY2011Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	48565000	USD
CY2012Q1	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	5944000	USD
CY2011Q1	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	6900000	USD
CY2011Q1	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-6900000	USD
CY2012Q1	us-gaap	Product Warranty Expense ProductWarrantyExpense	7706000	USD
CY2011Q1	us-gaap	Product Warranty Expense ProductWarrantyExpense	1093000	USD
CY2012Q1	us-gaap	Profit Loss ProfitLoss	78092000	USD
CY2011Q1	us-gaap	Profit Loss ProfitLoss	72716000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	451604000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	446690000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	118105000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	122558000	USD
CY2011Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	95790000	USD
CY2012Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	89664000	USD
CY2011Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	12533000	USD
CY2012Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	13986000	USD
CY2012Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	26920000	USD
CY2011Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	27507000	USD
CY2012Q1	us-gaap	Restructuring Charges RestructuringCharges	1722000	USD
CY2011Q1	us-gaap	Restructuring Charges RestructuringCharges	1522000	USD
CY2010Q4	us-gaap	Restructuring Reserve RestructuringReserve	7968000	USD
CY2011Q1	us-gaap	Restructuring Reserve RestructuringReserve	6877000	USD
CY2011Q4	us-gaap	Restructuring Reserve RestructuringReserve	3453000	USD
CY2012Q1	us-gaap	Restructuring Reserve RestructuringReserve	4470000	USD
CY2011Q1	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	2168000	USD
CY2012Q1	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	2079000	USD
CY2011Q1	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	4709000	USD
CY2011Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	664000	USD
CY2012Q1	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	2391000	USD
CY2011Q1	us-gaap	Restructuring Reserve Period Expense RestructuringReservePeriodExpense	1522000	USD
CY2012Q1	us-gaap	Restructuring Reserve Period Expense RestructuringReservePeriodExpense	1722000	USD
CY2011Q1	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	2613000	USD
CY2012Q1	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	705000	USD
CY2012Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-5788021000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-5740368000	USD
CY2012Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	333673000	USD
CY2011Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	352427000	USD
CY2012Q1	us-gaap	Sales Revenue Net SalesRevenueNet	416685000	USD
CY2011Q1	us-gaap	Sales Revenue Net SalesRevenueNet	433308000	USD
CY2012Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	83012000	USD
CY2011Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	80881000	USD
CY2011Q1	cien	Change In Fair Value Of Contingent Consideration ChangeInFairValueOfContingentConsideration	3289000	USD
CY2012Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	64411000	USD
CY2011Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	57092000	USD
CY2011Q1	us-gaap	Share Based Compensation ShareBasedCompensation	9864000	USD
CY2012Q1	us-gaap	Share Based Compensation ShareBasedCompensation	8888000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	4.44
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	57.81
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	22000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3690000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3654000	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	29.95
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	30.01
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	2027000	USD
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	2431000	USD
CY2012Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	0.94
CY2012Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	3546000	shares
CY2012Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	3654000	shares
CY2012Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	267.52
CY2012Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	30.46
CY2012Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm1	3.22	years
CY2012Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm1	3.34	years
CY2012Q1	us-gaap	Short Term Investments ShortTermInvestments	50239000	USD
CY2011Q4	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2012Q1	cien	Capital Lease Obligations Incurred But Not Yet Paid CapitalLeaseObligationsIncurredButNotYetPaid	3078000	USD
CY2012Q1	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	14000	shares
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	-21104000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	13873000	USD
CY2012Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	22148000	USD
CY2011Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	23481000	USD
CY2012Q1	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 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>
CY2011Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	94496000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	98066000	shares
CY2011Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	94496000	shares
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	98066000	shares
CY2012Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	98659716	shares
CY2012Q1	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q1	dei	Entity Registrant Name EntityRegistrantName	CIENA CORP
CY2012Q1	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012Q1	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2011Q1	cien	Capital Lease Obligations Incurred But Not Yet Paid CapitalLeaseObligationsIncurredButNotYetPaid	1456000	USD
CY2012Q1	cien	Change In Fair Value Of Contingent Consideration ChangeInFairValueOfContingentConsideration	0	USD
CY2012Q1	cien	Depreciation Of Product Demonstration Equipment DepreciationOfProductDemonstrationEquipment	2400000	USD
CY2011Q1	cien	Depreciation Of Product Demonstration Equipment DepreciationOfProductDemonstrationEquipment	2100000	USD
CY2012Q1	cien	Interest And Other Financial Charges Net InterestAndOtherFinancialChargesNet	14457000	USD
CY2011Q1	cien	Interest And Other Financial Charges Net InterestAndOtherFinancialChargesNet	3285000	USD
CY2011Q1	cien	Interest And Other Income Net InterestAndOtherIncomeNet	6265000	USD
CY2012Q1	cien	Interest And Other Income Net InterestAndOtherIncomeNet	-4887000	USD
CY2012Q1	cien	Maintenance Spare Parts Amortization Period MaintenanceSparePartsAmortizationPeriod	P4Y
CY2012Q1	cien	Maintenance Spares Inventory Net Non Current MaintenanceSparesInventoryNetNonCurrent	51674000	USD
CY2011Q4	cien	Maintenance Spares Inventory Net Non Current MaintenanceSparesInventoryNetNonCurrent	50442000	USD
CY2012Q1	cien	Number Of Active Equity Compensation Plans NumberOfActiveEquityCompensationPlans	2
CY2012Q1	cien	Number Of Operating Segments NumberOfOperatingSegments	4	segments
CY2011Q1	cien	Proceeds From Sale Of Cost Method Investments ProceedsFromSaleOfCostMethodInvestments	0	USD
CY2012Q1	cien	Proceeds From Sale Of Cost Method Investments ProceedsFromSaleOfCostMethodInvestments	524000	USD
CY2012Q1	cien	Product Demonstration Equipment Net ProductDemonstrationEquipmentNet	36739000	USD
CY2011Q4	cien	Product Demonstration Equipment Net ProductDemonstrationEquipmentNet	46996000	USD
CY2012Q1	cien	Receipt Of Contingent Consideration Related To Business Acquisition ReceiptOfContingentConsiderationRelatedToBusinessAcquisition	0	USD
CY2011Q1	cien	Receipt Of Contingent Consideration Related To Business Acquisition ReceiptOfContingentConsiderationRelatedToBusinessAcquisition	16394000	USD
CY2012Q1	dei	Amendment Flag AmendmentFlag	false
CY2012Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--10-31
CY2012Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2012Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012Q1	dei	Document Period End Date DocumentPeriodEndDate	2012-01-31
CY2012Q1	dei	Document Type DocumentType	10-Q
CY2012Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000936395

Files In Submission

Name	View Source	Status
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0000936395-12-000028-index.html	Edgar Link	pending
0000936395-12-000028.txt	Edgar Link	pending
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cien-20120131.xml	Edgar Link	completed
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$CIEN
CIENA CORP Stock $cien

2012 Q1 Form 10-Q Financial Statement

#000093639512000028 Filed on March 08, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CIEN CIENA CORP Stock $cien

2012 Q1 Form 10-Q Financial Statement

#000093639512000028 Filed on March 08, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CIEN
CIENA CORP Stock $cien