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Ciena Corporation and Significant Accounting Policies and Estimates - Opening Balance Adjustments (Details) - USD ($) $ in Thousands | Oct. 31, 2020 | Nov. 03, 2019 | Nov. 02, 2019
--- | --- | --- | ---
ASSETS |  |  |
Operating right-of-use assets | $ 57,026 | $ 53,334 |
Total assets | 4,180,917 | 3,946,680 | $ 3,893,346
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) |  |  |
Accrued liabilities and other short-term obligations | 334,132 | 381,256 | 382,740
Operating lease liabilities | 19,035 | 20,498 |
Other long-term obligations | 123,185 | 127,503 | 148,747
Long-term operating lease liabilities | 61,415 | 55,564 |
Total liabilities and stockholders’ equity | 4,180,917 | 3,946,680 | 3,893,346
Straight-line rent |  |  | $ 5,434
Short-term restructuring reserve liability | 2,915 |  |
Long-term restructuring reserve liability | $ 0 |  |
Accounting Standards Update 2016-02 |  |  |
ASSETS |  |  |
Operating right-of-use assets |  | 53,334 |
Total assets |  | 53,334 |
LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) |  |  |
Accrued liabilities and other short-term obligations |  | (1,484) |
Operating lease liabilities |  | 20,498 |
Other long-term obligations |  | (21,244) |
Long-term operating lease liabilities |  | 55,564 |
Total liabilities and stockholders’ equity |  | 53,334 |
Operating right-of-use assets before adjustments |  | 76,000 |
Straight-line rent |  | (5,400) |
Tenant improvement allowances |  | (6,200) |
Short-term restructuring reserve liability |  | (1,500) |
Long-term restructuring reserve liability |  | $ (9,600) |

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