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Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands | Aug. 03, 2019 | Jan. 31, 2019
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 37,387 | $ 37,387
Accumulated Amortization | (10,010) | (7,909)
Currency Translation Adjustment | 116 | 196
Net Carrying Amount | 27,493 | 29,674
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 | (5,330) | (3,869)
Net Carrying Amount | 21,913 | 23,374
Customer Contract Relationships [Member] | Miltope [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,100 | 3,100
Accumulated Amortization | (1,872) | (1,723)
Net Carrying Amount | 1,228 | 1,377
Customer Contract Relationships [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,830 | 2,830
Accumulated Amortization | (900) | (725)
Net Carrying Amount | 1,930 | 2,105
Non-Competition Agreement [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 950 | 950
Accumulated Amortization | (776) | (681)
Net Carrying Amount | 174 | 269
Existing Technology [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,327 | 2,327
Accumulated Amortization | (883) | (711)
Currency Translation Adjustment | 86 | 140
Net Carrying Amount | 1,530 | 1,756
Distributor Relations [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 937 | 937
Accumulated Amortization | (249) | (200)
Currency Translation Adjustment | 30 | 56
Net Carrying Amount | $ 718 | $ 793

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