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

12 Months Ended

Jun. 30, 2023

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	$	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 year ended June 30, 2022:
Change in gross goodwill due to translation	(13,385)		—		(13,385)
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

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, 2023				June 30, 2022
(in thousands)		Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Technology-based and other	4 to 20	$	31,872	$	(23,838)	$	31,592	$	(22,734)
Customer-related	10 to 21	179,889		(112,890)		180,263		(104,698)
Unpatented technology	10 to 30	31,487		(25,177)		31,807		(22,950)
Trademarks	5 to 20	12,426		(11,441)		12,403		(10,317)
Trademarks	Indefinite	10,836		—		10,359		—
Total		$	266,510	$	(173,346)	$	266,424	$	(160,699)