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Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands | Jan. 31, 2021 | Jan. 31, 2020
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 37,387 | $ 37,387
Accumulated Amortization | (16,170) | (12,109)
Currency Translation Adjustment | 285 | 105
Net Carrying Amount | 21,502 | 25,383
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 | (9,712) | (6,791)
Net Carrying Amount | 17,531 | 20,452
Customer Contract Relationships [Member] | Miltope [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,100 | 3,100
Accumulated Amortization | (2,284) | (2,021)
Net Carrying Amount | 816 | 1,079
Customer Contract Relationships [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,830 | 2,830
Accumulated Amortization | (1,423) | (1,076)
Net Carrying Amount | 1,407 | 1,754
Non-Competition Agreement [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 950 | 950
Accumulated Amortization | (950) | (871)
Net Carrying Amount | 0 | 79
Existing Technology [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,327 | 2,327
Accumulated Amortization | (1,405) | (1,053)
Currency Translation Adjustment | 196 | 78
Net Carrying Amount | 1,118 | 1,352
Distributor Relations [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 937 | 937
Accumulated Amortization | (396) | (297)
Currency Translation Adjustment | 89 | 27
Net Carrying Amount | $ 630 | $ 667

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