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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000936395-21-000046
Filing Date
2021-11-03
Accepted
2021-11-03 07:05:09
Documents
12
Period of Report
2021-10-31
Items
Item 8.01: Other Events

Document Format Files

Seq Description Document Type Size
1 8-K cien-20211031.htm   iXBRL 8-K 34499
  Complete submission text file 0000936395-21-000046.txt   169180

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cien-20211031.xsd EX-101.SCH 1918
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cien-20211031_lab.xml EX-101.LAB 24275
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cien-20211031_pre.xml EX-101.PRE 12652
5 EXTRACTED XBRL INSTANCE DOCUMENT cien-20211031_htm.xml XML 10606
Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Filer) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1030
Type: 8-K | Act: 34 | File No.: 001-36250 | Film No.: 211373674
SIC: 3661 Telephone & Telegraph Apparatus