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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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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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.

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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.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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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.

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