Revenue (Tables)

12 Months Ended

Jan. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

In the following table, revenue is disaggregated by major product category and geography as the Company believes these categories best depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The table also includes a reconciliation of the disaggregated revenue with reportable segments.

	Revenue by Product Category
	Twelve months ended January 31, 2019
	ATD		EFD		AERO		ELIM(a)			Total
Lighter-than-Air
Domestic	$	—	$	—	$	37,866	$	—		$	37,866
International	—		—		932		—			932
Plastic Films & Sheeting
Domestic	—		208,882		—		(512		)	208,370
International	—		17,692		—		—			17,692
Precision Agriculture Equipment
Domestic	100,051		—		—		(10		)	100,041
International	29,698		—		—		—			29,698
Other
Domestic	—		—		12,062		—			12,062
International	—		—		7		—			7
Totals	$	129,749	$	226,574	$	50,867	$	(522	)	$	406,668
	Twelve months ended January 31, 2018
	ATD		EFD		AERO		ELIM(a)			Total
Lighter-than-Air
Domestic	$	—	$	—	$	24,956	$	—		$	24,956
International	—		—		93		—			93
Plastic Films & Sheeting
Domestic	—		201,330		—		(584		)	200,746
International	—		11,968		—		—			11,968
Precision Agriculture Equipment
Domestic	95,249		—		—		—			95,249
International	29,439		—		—		—			29,439
Other
Domestic	—		—		14,810		—			14,810
International	—		—		56		—			56
Totals	$	124,688	$	213,298	$	39,915	$	(584	)	$	377,317
	Twelve months ended January 31, 2017
	ATD		EFD		AERO		ELIM(a)			Total
Lighter-than-Air
Domestic	$	—	$	—	$	17,117	$	—		$	17,117
International	—		—		357		—			357
Plastic Films & Sheeting
Domestic	—		132,704		—		(789		)	131,915
International	—		6,151		—		—			6,151
Precision Agriculture Equipment
Domestic	76,205		—		—		(1		)	76,204
International	29,012		—		—		—			29,012
Other
Domestic	—		—		16,631		—			16,631
International	—		—		8		—			8
Totals	$	105,217	$	138,855	$	34,113	$	(790	)	$	277,395

^(a) Intersegment sales for fiscal years 2019, 2018 and 2017 were primarily sales from Engineered Films to Aerostar.

Contract with Customer, Asset and Liability

The changes in contract assets and liabilities were as follows:

	January 31, 2019		January 31, 2018		$ Change			% Change
Contract assets	$	2,027	$	3,119	$	(1,092	)	(35.0	)%
Contract liabilities	$	1,303	$	1,890	$	(587	)	(31.1	)%