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

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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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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
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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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-Publisher FASB
-Name Accounting Standards Codification
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