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Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands | Jul. 31, 2021 | Jan. 31, 2021
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 36,437 | $ 36,437
Accumulated Amortization | (16,613) | (15,220)
Currency Translation Adjustment | 250 | 285
Net Carrying Amount | 20,074 | 21,502
Customer Contract Relationships [Member] | Honeywell Asset Purchase and License Agreement [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 27,243 | 27,243
Accumulated Amortization | (10,653) | (9,712)
Net Carrying Amount | 16,590 | 17,531
Customer Contract Relationships [Member] | Miltope [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,100 | 3,100
Accumulated Amortization | (2,399) | (2,284)
Net Carrying Amount | 701 | 816
Customer Contract Relationships [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,830 | 2,830
Accumulated Amortization | (1,523) | (1,423)
Net Carrying Amount | 1,307 | 1,407
Existing Technology [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,327 | 2,327
Accumulated Amortization | (1,590) | (1,405)
Currency Translation Adjustment | 174 | 196
Net Carrying Amount | 911 | 1,118
Distributor Relations [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 937 | 937
Accumulated Amortization | (448) | (396)
Currency Translation Adjustment | 76 | 89
Net Carrying Amount | $ 565 | $ 630

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