Common Stock and Treasury Stock	6 Months Ended
Common Stock and Treasury Stock	Jun. 30, 2025
Equity [Abstract]
Common Stock and Treasury Stock	Common Stock and Treasury Stock In 2005, the board approved a stock repurchase program authorizing the Company, as market and business conditions warrant, to acquire its common stock and periodically authorize additional funds for the program. In June 2024, the board approved the repurchase of the Company's common stock of up to $400.0 million, in place of the remaining purchase amounts previously authorized. The Company repurchased 2,713,799 shares for $134.7 million during the six months ended June 30, 2025. Under the program to date, the Company has repurchased 65,581,636 shares for approximately $1.2 billion. As of June 30, 2025, the maximum remaining amount authorized for purchase under the stock repurchase program was $223.5 million. Subsequent to June 30, 2025, the Company has repurchased additional shares under the repurchase program.

The entire disclosure for equity.

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+ Details

ACI WORLDWIDE, INC. 10-Q