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Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands	Jan. 31, 2019	Jan. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 37,387	$ 36,987
Accumulated Amortization	(7,909)	(3,797)
Currency Translation Adjustment	196	443
Net Carrying Amount	29,674	33,633
Customer Contract Relationships [Member] | Honeywell Asset Purchase and License Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	27,243	26,843
Accumulated Amortization	(3,869)	(958)
Net Carrying Amount	23,374	25,885
Customer Contract Relationships [Member] | Miltope [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,100	3,100
Accumulated Amortization	(1,723)	(1,438)
Net Carrying Amount	1,377	1,662
Customer Contract Relationships [Member] | RITEC [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,830	2,830
Accumulated Amortization	(725)	(461)
Net Carrying Amount	2,105	2,369
Non-Competition Agreement [Member] | RITEC [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	950	950
Accumulated Amortization	(681)	(491)
Net Carrying Amount	269	459
Existing Technology [Member] | TrojanLabel ApS [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,327	2,327
Accumulated Amortization	(711)	(350)
Currency Translation Adjustment	140	313
Net Carrying Amount	1,756	2,290
Distributor Relations [Member] | TrojanLabel ApS [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	937	937
Accumulated Amortization	(200)	(99)
Currency Translation Adjustment	56	130
Net Carrying Amount	$ 793	$ 968

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Finite-lived intangible assets, accumulated translation adjustments.

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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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