XML 33 R19.htm IDEA: XBRL DOCUMENT
v3.21.2

PREPAID EXPENSES AND OTHER | 12 Months Ended
--- | ---
Oct. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
PREPAID EXPENSES AND OTHER | PREPAID EXPENSES AND OTHER As of the dates indicated, prepaid expenses and other are comprised of the following (in thousands):
| October 30, 2021 |  | October 31, 2020
Contract assets for unbilled accounts receivable, net | $ | 101,355 |  |  | $ | 85,843 |
Prepaid VAT and other taxes | 77,388 |  |  | 72,838 |
Prepaid expenses | 62,189 |  |  | 70,647 |
Product demonstration equipment, net | 29,362 |  |  | 44,793 |
Capitalized contract acquisition costs | 21,753 |  |  | 11,296 |
Other non-trade receivables | 18,408 |  |  | 21,981 |
Derivative assets | 14,935 |  |  | 82 |
Deferred deployment expense | 264 |  |  | 604 |
| $ | 325,654 |  |  | $ | 308,084 |
Depreciation of product demonstration equipment was $9.8 million, $9.0 million and $8.8 million for fiscal 2021, 2020 and 2019, respectively. For further discussion on contract assets and capitalized contract acquisition costs, see Note 2 above.

X
- Definition Prepaid Expenses and Other [Text Block] + References No definition available. + Details
Name: | cien_PrepaidExpensesAndOtherTextBlock
Namespace Prefix: | cien_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration