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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, 2020	Jan. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Contract (included in Other Assets)		$ 85
Total Assets		85
Cross-Currency Interest Rate Swap Contract (included in Other Long-Term Liabilities)	$ 250	600
Interest Rate Swap Contract (included in Other Long-Term Liabilities)	96
Earnout Liability (included in Other Long-Term Liabilities)	14	14
Total Liabilities	360	614
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Contract (included in Other Assets)		85
Total Assets		85
Cross-Currency Interest Rate Swap Contract (included in Other Long-Term Liabilities)	250	600
Interest Rate Swap Contract (included in Other Long-Term Liabilities)	96
Total Liabilities	346	600
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Earnout Liability (included in Other Long-Term Liabilities)	14	14
Total Liabilities	$ 14	$ 14

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value of financial and nonfinancial obligations.

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