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Fair Value - Schedule of Company's Long-Term Debt Including the Current Portion Not Reflected in Financial Statements at Fair Value (Detail) - USD ($) $ in Thousands | Jul. 31, 2025 | Jan. 31, 2025
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Fair Value [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-Term debt and related current maturities | $ 24,115 | $ 25,202
Fair Value [Member] | Level 3 [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-Term debt and related current maturities | 24,115 | 25,202
Carrying Value [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Long-Term debt and related current maturities | $ 24,223 | $ 25,239

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