v3.25.2
Earnings Per Share - Schedule of Reconciliation of Basic and Diluted of Earnings (loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Numerator      
Net earnings (loss) attributable to Coherent Corp. $ 49,364 $ (156,154) $ (259,458)
Deduct dividends (129,926) (123,357) (144,212)
Net Loss Available to the Common Shareholders, Basic (80,562) (279,511) (403,670)
Net Loss Available to the Common Shareholders, Diluted $ (80,562) $ (279,511) $ (403,670)
Denominator      
Diluted weighted average common shares (in shares) 154,755 151,642 137,578
Basic loss per common share (in usd per share) $ (0.52) $ (1.84) $ (2.93)
Diluted loss per common share (in usd per share) $ (0.52) $ (1.84) $ (2.93)
Series A Mandatory Convertible Preferred Stock      
Numerator      
Deduct dividends $ 0 $ 0 $ (27,600)
Series B Convertible Preferred Stock      
Numerator      
Deduct dividends $ (129,926) $ (123,357) $ (116,612)