Document and Entity Information |
Feb. 13, 2026 |
|---|---|
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Feb. 13, 2026 |
| Entity Registrant Name | Ryerson Holding Corporation |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-34735 |
| Entity Tax Identification Number | 26-1251524 |
| Entity Address Address Line 1 | 227 W. Monroe St. |
| Entity Address Address Line 2 | 27th Floor |
| Entity Address City Or Town | Chicago |
| Entity Address State Or Province | IL |
| Entity Address Postal Zip Code | 60606 |
| City Area Code | 312 |
| Local Phone Number | 292-5000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.01 par value, 100,000,000 shares authorized |
| Trading Symbol | RYI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Description | On February 13, 2026, Ryerson Holding Corporation, a Delaware corporation (“Ryerson”), filed a Current Report on Form 8-K with the Securities and Exchange Commission (the “Original 8-K”), which reported that on February 13, 2026, Ryerson completed the transactions contemplated by the Agreement and Plan of Merger (the “Merger Agreement”), dated as of October 28, 2025, by and among Ryerson, Crimson MS Corp., an Ohio corporation and a direct wholly owned subsidiary of Ryerson (“Merger Sub”), and Olympic Steel, Inc., an Ohio corporation (“Olympic”). This is the first amendment to the Original 8-K (“Amendment No. 1”) to amend Item 9.01 of the Original 8-K to include the pro forma financial information required by Item 9.01 of Form 8-K. This Amendment No. 1 should be read in conjunction with the Original 8-K. Except as set forth herein, no modifications have been made to information contained in the Original 8-K. |
| Entity Central Index Key | 0001481582 |