Goodwill, Long-lived Assets and Other Intangibles (Tables)

6 Months Ended

Jul. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill by reporting segment were as follows:

	Applied Technology		Engineered Films		Aerostar		Total
Balance at January 31, 2021	$	73,811	$	33,232	$	634	$	107,677
Foreign currency translation adjustment	897		—		—		897
Balance at July 31, 2021	$	74,708	$	33,232	$	634	$	108,574

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The following table summarizes the components of intangible assets, which are reported net on the Consolidated Balance Sheets:

	July 31, 2021						January 31, 2021
			Accumulated						Accumulated
	Amount		amortization		Net		Amount		amortization		Net
Existing technology	$	15,639	$	(8,607)	$	7,032	$	9,263	$	(8,304)	$	959
Customer relationships	16,113		(8,903)		7,210		16,128		(8,248)		7,880
Software development	1,439		—		1,439		—		—		—
Patents and other intangibles	9,381		(3,369)		6,012		7,297		(3,126)		4,171
In-process research and development(a)	25,777		—		25,777		31,575		—		31,575
Total	$	68,349	$	(20,879)	$	47,470	$	64,263	$	(19,678)	$	44,585
(a) A portion of these intangible assets are denominated in a foreign currency and subject to exchange rate fluctuations.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated future amortization expense for these definite-lived intangible assets during the next five years is as follows:

	Remainder of 2022		2023		2024		2025		2026		2027 and Thereafter
Estimated amortization expense	$	1,675	$	3,257	$	2,771	$	2,762	$	2,494	$	7,296