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Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands | Jan. 31, 2021 | Jan. 31, 2020
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cross-Currency Interest Rate Swap Contract (included in Other Long-Term Liabilities) |  | $ 250
Interest Rate Swap Contract (included in Other Long-Term Liabilities) |  | 96
Earnout Liability (included in Other Liabilities) |  | 14
Total Liabilities |  | 360
Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Cross-Currency Interest Rate Swap Contract (included in Other Long-Term Liabilities) |  | 250
Interest Rate Swap Contract (included in Other Long-Term Liabilities) |  | 96
Total Liabilities |  | 346
Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Earnout Liability (included in Other Liabilities) |  | 14
Total Liabilities |  | $ 14

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