v3.26.1
Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Goodwill [Roll Forward]    
Gross goodwill beginning balance $ 1,093,598 $ 1,082,439
Accumulated impairment losses beginning balance (810,872) (810,872)
Beginning balance 282,726 271,567
Change in gross goodwill due to translation (3,513) 11,159
Gross goodwill ending balance 1,090,085 1,093,598
Accumulated impairment losses ending balance (810,872) (810,872)
Ending balance 279,213 282,726
Metal Cutting    
Goodwill [Roll Forward]    
Gross goodwill beginning balance 460,387 449,228
Accumulated impairment losses beginning balance (177,661) (177,661)
Beginning balance 282,726 271,567
Change in gross goodwill due to translation (3,513) 11,159
Gross goodwill ending balance 456,874 460,387
Accumulated impairment losses ending balance (177,661) (177,661)
Ending balance 279,213 282,726
Infrastructure    
Goodwill [Roll Forward]    
Gross goodwill beginning balance 633,211 633,211
Accumulated impairment losses beginning balance (633,211) (633,211)
Beginning balance 0 0
Change in gross goodwill due to translation 0 0
Gross goodwill ending balance 633,211 633,211
Accumulated impairment losses ending balance (633,211) (633,211)
Ending balance $ 0 $ 0