ACQUISITIONS	6 Months Ended
Jun. 30, 2025
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]
Business Combination Disclosure [Text Block]	NOTE 3. ACQUISITIONS On April 18, 2025, Olin acquired AMMO, Inc.’s small caliber ammunition manufacturing assets for total consideration of $55.8 million, subject to normal post-closing adjustments. The acquisition, which includes AMMO Inc.’s brass shellcase capabilities and its 185,000 square foot production facility located in Manitowoc, WI, is included in Olin’s Winchester segment. The acquisition was financed with cash on hand. We recorded the preliminary aggregate excess purchase price over the fair value of identifiable tangible assets acquired and liabilities assumed, which included a preliminary allocation of $2.0 million of goodwill to our Winchester segment. The preliminary total assets acquired, excluding goodwill, and liabilities assumed amounted to $60.0 million and $6.2 million respectively. The acquisition is not material and therefore supplemental pro forma financial information is not provided.

ACQUISITIONS

6 Months Ended

Jun. 30, 2025

Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]

Business Combination Disclosure [Text Block]

NOTE 3. ACQUISITIONS

On April 18, 2025, Olin acquired AMMO, Inc.’s small caliber ammunition manufacturing assets for total consideration of $55.8 million, subject to normal post-closing adjustments. The acquisition, which includes AMMO Inc.’s brass shellcase capabilities and its 185,000 square foot production facility located in Manitowoc, WI, is included in Olin’s Winchester segment. The acquisition was financed with cash on hand. We recorded the preliminary aggregate excess purchase price over the fair value of identifiable tangible assets acquired and liabilities assumed, which included a preliminary allocation of $2.0 million of goodwill to our Winchester segment. The preliminary total assets acquired, excluding goodwill, and liabilities assumed amounted to $60.0 million and $6.2 million respectively. The acquisition is not material and therefore supplemental pro forma financial information is not provided.