Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

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

(in thousands)	Metal Cutting		Infrastructure		Total
Gross goodwill	$	441,891	$	633,211	$	1,075,102
Accumulated impairment losses	(177,661)		(633,211)		(810,872)
Balance as of June 30, 2022	$	264,230	$	—	$	264,230
Activity for the year ended June 30, 2023:
Change in gross goodwill due to translation	5,321		—		5,321
Gross goodwill	447,212		633,211		1,080,423
Accumulated impairment losses	(177,661)		(633,211)		(810,872)
Balance as of June 30, 2023	$	269,551	$	—	$	269,551
Activity for the year ended June 30, 2024:
Acquisition	3,800		—		3,800
Change in gross goodwill due to translation	(1,784)		—		(1,784)
Gross goodwill	449,228		633,211		1,082,439
Accumulated impairment losses	(177,661)		(633,211)		(810,872)
Balance as of June 30, 2024	$	271,567	$	—	$	271,567

Components of Other Intangible Assets [Table Text Block]

The components of our other intangible assets were as follows: 

	Estimated Useful Life (in years)	June 30, 2024				June 30, 2023
(in thousands)		Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Technology-based and other	4 to 20	$	31,715	$	(24,476)	$	31,872	$	(23,838)
Customer-related	10 to 21	179,529		(120,091)		179,889		(112,890)
Unpatented technology	10 to 30	31,485		(27,130)		31,487		(25,177)
Trademarks	5 to 20	23,044		(12,655)		12,426		(11,441)
Trademarks	Indefinite	—		—		10,836		—
Total		$	265,773	$	(184,352)	$	266,510	$	(173,346)