Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 37,387	$ 37,387
Accumulated Amortization	(12,109)	(7,909)
Currency Translation Adjustment	105	196
Net Carrying Amount	25,383	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	(6,791)	(3,869)
Net Carrying Amount	20,452	23,374
Customer Contract Relationships [Member] | Miltope [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,100	3,100
Accumulated Amortization	(2,021)	(1,723)
Net Carrying Amount	1,079	1,377
Customer Contract Relationships [Member] | RITEC [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,830	2,830
Accumulated Amortization	(1,076)	(725)
Net Carrying Amount	1,754	2,105
Non-Competition Agreement [Member] | RITEC [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	950	950
Accumulated Amortization	(871)	(681)
Net Carrying Amount	79	269
Existing Technology [Member] | TrojanLabel ApS [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,327	2,327
Accumulated Amortization	(1,053)	(711)
Currency Translation Adjustment	78	140
Net Carrying Amount	1,352	1,756
Distributor Relations [Member] | TrojanLabel ApS [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	937	937
Accumulated Amortization	(297)	(200)
Currency Translation Adjustment	27	56
Net Carrying Amount	$ 667	$ 793