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

3 Months Ended

Apr. 30, 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	1,607		—		—		1,607
Balance at April 30, 2021	$	75,418	$	33,232	$	634	$	109,284

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:

	April 30, 2021						January 31, 2021
			Accumulated						Accumulated
	Amount		amortization		Net		Amount		amortization		Net
Existing technology	$	9,257	$	(8,424)	$	833	$	9,263	$	(8,304)	$	959
Customer relationships	16,125		(8,578)		7,547		16,128		(8,248)		7,880
Software development	795		—		795		—		—		—
Patents and other intangibles	7,495		(3,188)		4,307		7,297		(3,126)		4,171
In-process research and development(a)	32,592		—		32,592		31,575		—		31,575
Total	$	66,264	$	(20,190)	$	46,074	$	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.