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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
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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Finite-lived​ intangible assets accumulated foreign currency translation adjustment.

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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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
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-Section 50
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