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v3.21.1

Accumulated Other Comprehensive Loss - Changes in Balance of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2019
Schedule of Capitalization, Equity [Line Items] |  |  |
Beginning Balance | $ 71,375 | $ 69,775 | $ 63,647
Other Comprehensive Income (Loss) | 709 | (275) | (646)
Ending Balance | 74,683 | 71,375 | 69,775
Foreign Currency Translation Adjustments [Member] |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |
Beginning Balance | (985) | (852) | (181)
Other Comprehensive Loss Income (Loss) before reclassification | 710 | (133) | (671)
Other Comprehensive Income (Loss) | 710 | (133) | (671)
Ending Balance | (275) | (985) | (852)
Unrealized Holding Gain/(Loss) on Available for Sale Securities [Member] |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |
Beginning Balance |  |  | (3)
Amounts reclassified from AOCL to Earnings |  |  | 3
Other Comprehensive Income (Loss) |  |  | 3
Net Unrealized Gain/(Loss) on Cash Flow Hedges [Member] |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |
Beginning Balance | (108) | 34 | 12
Other Comprehensive Loss Income (Loss) before reclassification | (239) | 122 | 622
Amounts reclassified from AOCL to Earnings | 193 | (264) | (600)
Cross-Currency Interest Rate Swap Termination | 45 |  |
Other Comprehensive Income (Loss) | (1) | (142) | 22
Ending Balance | (109) | (108) | 34
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |
Beginning Balance | (1,093) | (818) | (172)
Other Comprehensive Loss Income (Loss) before reclassification | 471 | (11) | (49)
Amounts reclassified from AOCL to Earnings | 193 | (264) | (597)
Cross-Currency Interest Rate Swap Termination | 45 |  |
Other Comprehensive Income (Loss) | 709 | (275) | (646)
Ending Balance | $ (384) | $ (1,093) | $ (818)

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