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Summary of Significant Accounting Policies - Goodwill (Details) - USD ($)	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Accounting Policies [Abstract]
Goodwill	$ 213,716,000	$ 218,484,000	$ 1,215,000
Goodwill impairment		$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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