Intangible Assets - Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Detail) - USD ($) $ in Thousands	Oct. 28, 2017	Jan. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 32,306	$ 6,880
Accumulated Amortization	(2,726)	(1,616)
Net Carrying Amount	29,804	5,264
Currency Translation Adjustment	224
Customer Contract Relationships [Member] | Honeywell Asset Purchase and License Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,162
Accumulated Amortization	(198)
Net Carrying Amount	21,964
Customer Contract Relationships [Member] | Miltope [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,100	3,100
Accumulated Amortization	(1,356)	(1,108)
Net Carrying Amount	1,744	1,992
Customer Contract Relationships [Member] | RITEC [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,830	2,830
Accumulated Amortization	(397)	(207)
Net Carrying Amount	2,433	2,623
Non-Competition Agreement [Member] | RITEC [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	950	950
Accumulated Amortization	(443)	(301)
Net Carrying Amount	507	$ 649
Non-Competition Agreement [Member] | TrojanLabel ApS [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	937
Accumulated Amortization	(73)
Net Carrying Amount	929
Currency Translation Adjustment	65
Existing Technology [Member] | TrojanLabel ApS [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,327
Accumulated Amortization	(259)
Net Carrying Amount	2,227
Currency Translation Adjustment	$ 159