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Accumulated Other Comprehensive Income - Component of Accumulated Other Comprehensive Income (Details) - USD ($) | Jul. 31, 2025 | Jan. 31, 2025 | Jul. 31, 2024
--- | --- | --- | ---
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Foreign currency translation adjustments | $ 101,840,000 | $ 81,519,000 | $ 89,291,000
Available-for-sale securities | 186,000 | 215,000 | 189,000
Cash flow hedges | (800,000) | 0 | 15,000
Unrecognized prior service cost related to defined benefit pension plan | (96,000) | (122,000) | (147,000)
Net actuarial loss related to defined benefit pension plan | (1,631,000) | (1,631,000) | (1,546,000)
Total accumulated other comprehensive income | $ 99,499,000 | $ 79,981,000 | $ 87,802,000

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