Stock-Based Compensation	6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]
Stock-Based Compensation	Stock-Based Compensation We currently have one stock-based compensation plan in effect under which we have issued restricted stock units to our officers, other key employees and outside directors. During the first six months of 2026, 803,632 restricted stock units were granted to certain of our officers, other key employees and outside directors. The fair value of these restricted stock units at the grant date was $38.0 million, which is being amortized ratably over the respective vesting period from the grant date. At our annual meeting of stockholders held on May 26, 2026, our stockholders approved the First Amendment to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, or, as amended, the Stock Incentive Plan, which among other things, increased the number of shares of our common stock available for awards under the Stock Incentive Plan by an additional 4,000,000 shares. The total number of shares of our common stock available for issuance under the Stock Incentive Plan as of June 30, 2026 was 4,402,054.

Stock-Based Compensation

6 Months Ended

Jun. 30, 2026

Share-Based Payment Arrangement [Abstract]

We currently have one stock-based compensation plan in effect under which we have issued restricted stock units to our officers, other key employees and outside directors. During the first six months of 2026, 803,632 restricted stock units were granted to certain of our officers, other key employees and outside directors. The fair value of these restricted stock units at the grant date was $38.0 million, which is being amortized ratably over the respective vesting period from the grant date.

At our annual meeting of stockholders held on May 26, 2026, our stockholders approved the First Amendment to the Silgan Holdings Inc. Second Amended and Restated 2004 Stock Incentive Plan, or, as amended, the Stock Incentive Plan, which among other things, increased the number of shares of our common stock available for awards under the Stock Incentive Plan by an additional 4,000,000 shares. The total number of shares of our common stock available for issuance under the Stock Incentive Plan as of June 30, 2026 was 4,402,054.