v3.26.1
Per Share Information
 6 Months Ended
Jun. 28, 2026
Earnings Per Share [Abstract]  
Per Share Information Per Share Information
The following table sets forth the computation of basic and diluted income per common share: 
(In millions, except per share amounts)Quarter endedYear-to-date period ended
June 28, 2026June 29, 2025June 28, 2026June 29, 2025
Numerator:
Numerator for basic income per common share –
Net income attributable to ATI$151.0 $100.7 $269.2 $197.7 
Denominator:
Denominator for basic net income per common share – weighted average shares136.3 139.8 136.5 140.7 
Effect of dilutive securities:
Share-based compensation2.0 3.3 2.0 3.0 
Denominator for diluted net income per common share – adjusted weighted average shares and assumed conversions138.3 143.1 138.5 143.7 
Basic net income attributable to ATI per common share$1.11 $0.72 $1.97 $1.40 
Diluted net income attributable to ATI per common share$1.09 $0.70 $1.94 $1.38 
Periodically, the Company’s Board of Directors authorizes the repurchase of ATI common stock (the Share Repurchase Program), most recently authorizing the repurchase of up to $700 million, as announced in September 2024, and an additional $500 million, as announced in February 2026. Repurchases under these programs are made in the open market or in privately negotiated transactions, with the amount and timing of repurchases depending on market conditions and corporate needs. Open market repurchases are structured to occur within the pricing and volume requirements of SEC Rule 10b-18. In the quarter and year-to-date periods ended June 28, 2026, ATI used $50.0 million and $125.0 million to repurchase 0.3 million shares and 0.8 million shares, respectively, of its common stock under the Share Repurchase Program. At June 28, 2026, the Company has utilized all of the $700 million in repurchase authority announced in September 2024, and $5 million of the $500 million in repurchase authority announced in February 2026. As of June 28, 2026, total share repurchase authorization remaining under the Company’s active Share Repurchase Program was $495 million. In the quarter and year-to-date period ended June 29, 2025, ATI used $250.0 million and $320.0 million to repurchase 3.2 million and 4.4 million, respectively, of its common stock under the Share Repurchase Program.
The Company’s share repurchases are subject to a 1% excise tax due to the Inflation Reduction Act of 2022. Excise taxes incurred on share repurchases represent direct costs of the repurchase and are recorded as part of the cost basis of the shares within treasury stock.