Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Mar. 31, 2022

A summary of the carrying amount of goodwill attributable to each segment, as well as the changes in such carrying amounts, is as follows:


(in thousands)	Metal Cutting		Infrastructure		Total
Gross goodwill	$	455,276	$	633,211	$	1,088,487
Accumulated impairment losses	(177,661)		(633,211)		(810,872)
Balance as of June 30, 2021	$	277,615	$	—	$	277,615

Activity for the nine months ended March 31, 2022:
Change in gross goodwill due to translation	(6,347)		—		(6,347)

Gross goodwill	448,929		633,211		1,082,140
Accumulated impairment losses	(177,661)		(633,211)		(810,872)
Balance as of March 31, 2022	$	271,268	$	—	$	271,268

The components of our other intangible assets were as follows:


	Estimated Useful Life (in years)	March 31, 2022				June 30, 2021
(in thousands)		Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization

Technology-based and other	4 to 20	$	32,353	$	(23,285)		$	33,632	$	(24,413)
Customer-related	10 to 21	182,337		(104,341)			183,338		(98,901)
Unpatented technology	10 to 30	32,036		(22,487)			31,957		(20,575)
Trademarks	5 to 20	12,526		(10,165)			13,268		(10,083)
Trademarks	Indefinite	11,055		—			11,818		—
Total		$	270,307	$	(160,278)		$	274,013	$	(153,972)