XML 71 R57.htm IDEA: XBRL DOCUMENT v3.21.2
INCOME TAXES (Tables)
12 Months Ended
Oct. 30, 2021
Income Tax Disclosure [Abstract]  
Provision (benefit) for income taxes
For the periods indicated, the provision (benefit) for income taxes consists of the following (in thousands):
 Year Ended
 October 30, 2021October 31, 2020November 2, 2019
Provision (benefit) for income taxes: 
Current: 
Federal$72,603 $4,363 $13,143 
State21,400 13,328 16,945 
Foreign25,021 12,640 9,816 
Total current119,024 30,331 39,904 
Deferred: 
Federal(21,942)60,679 31,872 
State(11,546)4,607 (9,159)
Foreign(122,981)(947)(2,861)
Total deferred(156,469)64,339 19,852 
Provision (benefit) for income taxes$(37,445)$94,670 $59,756 
Income before provision (benefit) for income taxes
For the periods indicated, income before provision (benefit) for income taxes consists of the following (in thousands):
 Year Ended
 October 30, 2021October 31, 2020November 2, 2019
United States$298,514 $387,697 $256,461 
Foreign164,237 68,264 56,729 
Total$462,751 $455,961 $313,190 
Tax provision (benefit) reconciles to the amount computed by multiplying income or loss before income taxes by the U.S. federal statutory rate of 35% For the periods indicated, the tax provision reconciles to the amount computed by multiplying income before income taxes by the U.S. federal statutory rate of 21% for fiscal 2021, fiscal 2020 and fiscal 2019 as follows:
 Year Ended
 October 30, 2021October 31, 2020November 2, 2019
Provision at statutory rate21.00 %21.00 %21.00 %
Intercompany IP Restructuring Transaction(25.85)%— %— %
Base Erosion and Anti-Abuse Tax— %(1.02)%3.60 %
State taxes3.73 %2.21 %2.18 %
Foreign taxes2.76 %0.51 %(0.37)%
Research and development credit(7.99)%(7.74)%(7.53)%
Non-deductible compensation1.68 %1.79 %1.01 %
Foreign Derived Intangible Income(1.82)%(2.07)%— %
Transition tax— %0.02 %0.29 %
Rate Change(4.33)%3.04 %(0.41)%
Valuation allowance1.77 %3.58 %(2.13)%
Other0.96 %(0.56)%1.44 %
Effective income tax rate(8.09)%20.76 %19.08 %
Significant components of deferred tax assets and liabilities
The significant components of DTA are as follows (in thousands):
Year Ended
 October 30, 2021October 31, 2020
Deferred tax assets: 
Reserves and accrued liabilities$69,950 $73,825 
Depreciation and amortization677,729 504,233 
NOL and credit carry forward165,087 188,157 
Other47,048 33,017 
Gross deferred tax assets959,814 799,232 
Valuation allowance(159,634)(151,427)
Deferred tax asset, net of valuation allowance$800,180 $647,805 
Reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding interest and penalties A reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding interest and penalties, is as follows (in thousands):
Amount
Unrecognized tax benefits at November 3, 2018$96,363 
Increase related to positions taken in current period1,959 
Reductions related to settlements with taxing authorities(1,224)
Reductions related to expiration of statute of limitations(2,494)
Unrecognized tax benefits at November 2, 201994,604 
Increase related to positions taken in prior period653 
Increase related to positions taken in current period1,151 
Reductions related to expiration of statute of limitations(660)
Unrecognized tax benefits at October 31, 202095,748 
Decrease related to positions taken in prior period(22,854)
Reductions related to settlements with taxing authorities(654)
Increase related to positions taken in current period5,510 
Reductions related to expiration of statute of limitations(659)
Unrecognized tax benefits at October 30, 2021$77,091 
Summary of valuation allowance against the gross deferred tax assets
The following table summarizes the activity in Ciena’s valuation allowance against its gross deferred tax assets (in thousands):
Year EndedBeginning BalanceAdditionsDeductionsEnding Balance
November 2, 2019$142,650 $27,459 $34,131 $135,978 
October 31, 2020$135,978 $25,749 $10,300 $151,427 
October 30, 2021$151,427 $17,897 $9,690 $159,634