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Redeemable Non-controlling Interest (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 23, 2024 | Jan. 31, 2025 | Jan. 31, 2024 | Apr. 30, 2022 | Oct. 31, 2024
Noncontrolling Interest [Line Items] |  |  |  |  |
Purchase of remaining ownership interest |  | $ 30,000 | $ 0 |  |
Impairment of intangible assets |  |  |  |  | $ 53,500
OpenLight |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Redeemable noncontrolling interest, redemption value |  |  |  | $ 30,000 |
Redeemable noncontrolling interest, put option value |  |  |  | $ 10,100 |
Ownership interest | 95.00% |  |  |  | 71.00%
Purchase of remaining ownership interest | $ 30,000 |  |  |  |
Net loss attributable to redeemable non-controlling interest |  | 800 |  |  |
OpenLight | Juniper Networks, Inc |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Percent of equity interests held by non-controlling owner |  |  |  | 25.00% | 24.00%
OpenLight |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Percent of company acquired |  |  |  | 75.00% |
Payment to acquire business |  |  |  | $ 90,000 |
Consideration transferred including redeemable noncontrolling interest |  |  |  | $ 100,100 |
Net loss incurred by OpenLight |  | $ 3,500 |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (24)(b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A + Details
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