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Goodwill and Other Intangible Assets - Carrying Amount of Goodwill Attributable to Each Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Goodwill [Roll Forward]    
Gross goodwill $ 1,077,454 $ 1,080,423
Accumulated impairment losses (810,872) (810,872)
Goodwill, Beginning Balance 269,551  
Change in gross goodwill due to translation (2,969)  
Goodwill, Ending Balance 266,582  
Infrastructure [Member]    
Goodwill [Roll Forward]    
Gross goodwill 633,211 633,211
Accumulated impairment losses (633,211) (633,211)
Goodwill, Beginning Balance 0  
Change in gross goodwill due to translation 0  
Goodwill, Ending Balance 0  
Metal Cutting    
Goodwill [Roll Forward]    
Gross goodwill 444,243 447,212
Accumulated impairment losses (177,661) $ (177,661)
Goodwill, Beginning Balance 269,551  
Change in gross goodwill due to translation (2,969)  
Goodwill, Ending Balance $ 266,582