Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying value of goodwill by segment

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

	Storage and Terminal Solutions		Utility and Power Infrastructure		Process and Industrial Facilities		Total
	(In thousands)
Net balance at June 30, 2020	$	26,618	$	6,905	$	26,846	$	60,369
Translation adjustment (1)	156		79		32		267
Net balance at June 30, 2021	26,774		6,984		26,878		60,636
Goodwill impairment	(7,208)		(2,659)		(8,445)		(18,312)
Translation adjustment (1)	(121)		(62)		(6)		(189)
Net balance at June 30, 2022	19,445		4,263		18,427		42,135
Goodwill impairment	—		—		(12,316)		(12,316)
Disposal of business(2)	—		—		(627)		(627)
Translation adjustment(1)	(48)		(24)		—		(72)
Net balance at June 30, 2023	$	19,397	$	4,239	$	5,484	$	29,120

(1)The translation adjustments relate to the periodic translation of Canadian Dollar and South Korean Won denominated goodwill recorded as a part of prior acquisitions in Canada and South Korea, in which the local currency was determined to be the functional currency.

(2)We sold our industrial cleaning business during the fourth quarter of fiscal 2023, which resulted in the allocation $0.6 million of goodwill to net assets sold in the transaction. See Note 3 - Property, Plant and Equipment, Industrial Cleaning Disposal, for more information.

Carrying value of other intangible assets

Information on the carrying value of other intangible assets is as follows: 

		At June 30, 2023
	Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	10 to 15	$	2,483	$	(2,371)	$	112
Customer based(1)	6 to 15	13,144		(10,190)		2,954
Total other intangible assets		$	15,627	$	(12,561)	$	3,066

(1)Customer-based intangible assets have been adjusted in fiscal 2023 to remove $4.2 million of customer relationships that have been fully amortized.

		At June 30, 2022
	Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(Years)	(In thousands)
Intellectual property	10 to 15	$	2,558	$	(2,276)	$	282
Customer based	6 to 15	17,331		(12,817)		4,514
Total other intangible assets		$	19,889	$	(15,093)	$	4,796

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

We estimate that future amortization of other intangible assets will be as follows (in thousands):

For year ending:
June 30, 2024	$	1,415
June 30, 2025	1,096
June 30, 2026	555
Total estimated amortization expense	$	3,066