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Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands | Jul. 29, 2017 | Jan. 31, 2017
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 10,144 | $ 6,880
Accumulated Amortization | (2,218) | (1,616)
Net Carrying Amount | 8,189 | 5,264
Currency Translation Adjustment | 263 |
Customer Contract Relationships [Member] | Miltope [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,100 | 3,100
Accumulated Amortization | (1,273) | (1,108)
Net Carrying Amount | 1,827 | 1,992
Customer Contract Relationships [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,830 | 2,830
Accumulated Amortization | (334) | (207)
Net Carrying Amount | 2,496 | 2,623
Non-Competition Agreement [Member] | RITEC [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 950 | 950
Accumulated Amortization | (396) | (301)
Net Carrying Amount | 554 | $ 649
Non-Competition Agreement [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 937 |
Accumulated Amortization | (47) |
Net Carrying Amount | 966 |
Currency Translation Adjustment | 76 |
Existing Technology [Member] | TrojanLabel ApS [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,327 |
Accumulated Amortization | (168) |
Net Carrying Amount | 2,346 |
Currency Translation Adjustment | $ 187 |

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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